It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 489 648 908 is not a prime number.
For example, 489 648 908 can be divided by 2: 489 648 908 / 2 = 244 824 454.
For 489 648 908 to be a prime number, it would have been required that 489 648 908 has only two divisors, i.e., itself and 1.
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489 648 908 is an even number, because it is evenly divisible by 2: 489 648 908 / 2 = 244 824 454.
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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 489 648 908 is about 22 128.012.
Thus, the square root of 489 648 908 is not an integer, and therefore 489 648 908 is not a square number.
The square of a number (here 489 648 908) is the result of the product of this number (489 648 908) by itself (i.e., 489 648 908 × 489 648 908); the square of 489 648 908 is sometimes called "raising 489 648 908 to the power 2", or "489 648 908 squared".
The square of 489 648 908 is 239 756 053 105 592 448 because 489 648 908 × 489 648 908 = 489 648 9082 = 239 756 053 105 592 448.
As a consequence, 489 648 908 is the square root of 239 756 053 105 592 448.
489 648 908 is a number with 9 digits.
The multiples of 489 648 908 are all integers evenly divisible by 489 648 908, that is all numbers such that the remainder of the division by 489 648 908 is zero. There are infinitely many multiples of 489 648 908. The smallest multiples of 489 648 908 are: