It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 489 649 212 is not a prime number.
For example, 489 649 212 can be divided by 2: 489 649 212 / 2 = 244 824 606.
For 489 649 212 to be a prime number, it would have been required that 489 649 212 has only two divisors, i.e., itself and 1.
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489 649 212 is an even number, because it is evenly divisible by 2: 489 649 212 / 2 = 244 824 606.
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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 489 649 212 is about 22 128.019.
Thus, the square root of 489 649 212 is not an integer, and therefore 489 649 212 is not a square number.
The square of a number (here 489 649 212) is the result of the product of this number (489 649 212) by itself (i.e., 489 649 212 × 489 649 212); the square of 489 649 212 is sometimes called "raising 489 649 212 to the power 2", or "489 649 212 squared".
The square of 489 649 212 is 239 756 350 812 220 928 because 489 649 212 × 489 649 212 = 489 649 2122 = 239 756 350 812 220 928.
As a consequence, 489 649 212 is the square root of 239 756 350 812 220 928.
489 649 212 is a number with 9 digits.
The multiples of 489 649 212 are all integers evenly divisible by 489 649 212, that is all numbers such that the remainder of the division by 489 649 212 is zero. There are infinitely many multiples of 489 649 212. The smallest multiples of 489 649 212 are: