It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 495 877 674 is not a prime number.
For example, 495 877 674 can be divided by 2: 495 877 674 / 2 = 247 938 837.
For 495 877 674 to be a prime number, it would have been required that 495 877 674 has only two divisors, i.e., itself and 1.
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495 877 674 is an even number, because it is evenly divisible by 2: 495 877 674 / 2 = 247 938 837.
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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 495 877 674 is about 22 268.311.
Thus, the square root of 495 877 674 is not an integer, and therefore 495 877 674 is not a square number.
The square of a number (here 495 877 674) is the result of the product of this number (495 877 674) by itself (i.e., 495 877 674 × 495 877 674); the square of 495 877 674 is sometimes called "raising 495 877 674 to the power 2", or "495 877 674 squared".
The square of 495 877 674 is 245 894 667 571 650 272 because 495 877 674 × 495 877 674 = 495 877 6742 = 245 894 667 571 650 272.
As a consequence, 495 877 674 is the square root of 245 894 667 571 650 272.
495 877 674 is a number with 9 digits.
The multiples of 495 877 674 are all integers evenly divisible by 495 877 674, that is all numbers such that the remainder of the division by 495 877 674 is zero. There are infinitely many multiples of 495 877 674. The smallest multiples of 495 877 674 are: