It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 494 985 508 is not a prime number.
For example, 494 985 508 can be divided by 2: 494 985 508 / 2 = 247 492 754.
For 494 985 508 to be a prime number, it would have been required that 494 985 508 has only two divisors, i.e., itself and 1.
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494 985 508 is an even number, because it is evenly divisible by 2: 494 985 508 / 2 = 247 492 754.
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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 494 985 508 is about 22 248.270.
Thus, the square root of 494 985 508 is not an integer, and therefore 494 985 508 is not a square number.
The square of a number (here 494 985 508) is the result of the product of this number (494 985 508) by itself (i.e., 494 985 508 × 494 985 508); the square of 494 985 508 is sometimes called "raising 494 985 508 to the power 2", or "494 985 508 squared".
The square of 494 985 508 is 245 010 653 130 018 048 because 494 985 508 × 494 985 508 = 494 985 5082 = 245 010 653 130 018 048.
As a consequence, 494 985 508 is the square root of 245 010 653 130 018 048.
494 985 508 is a number with 9 digits.
The multiples of 494 985 508 are all integers evenly divisible by 494 985 508, that is all numbers such that the remainder of the division by 494 985 508 is zero. There are infinitely many multiples of 494 985 508. The smallest multiples of 494 985 508 are: