It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 325 016 is not a prime number.
For example, 490 325 016 can be divided by 2: 490 325 016 / 2 = 245 162 508.
For 490 325 016 to be a prime number, it would have been required that 490 325 016 has only two divisors, i.e., itself and 1.
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490 325 016 is an even number, because it is evenly divisible by 2: 490 325 016 / 2 = 245 162 508.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 490 325 016 is about 22 143.284.
Thus, the square root of 490 325 016 is not an integer, and therefore 490 325 016 is not a square number.
The square of a number (here 490 325 016) is the result of the product of this number (490 325 016) by itself (i.e., 490 325 016 × 490 325 016); the square of 490 325 016 is sometimes called "raising 490 325 016 to the power 2", or "490 325 016 squared".
The square of 490 325 016 is 240 418 621 315 400 256 because 490 325 016 × 490 325 016 = 490 325 0162 = 240 418 621 315 400 256.
As a consequence, 490 325 016 is the square root of 240 418 621 315 400 256.
490 325 016 is a number with 9 digits.
The multiples of 490 325 016 are all integers evenly divisible by 490 325 016, that is all numbers such that the remainder of the division by 490 325 016 is zero. There are infinitely many multiples of 490 325 016. The smallest multiples of 490 325 016 are: