It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 508 738 816 is not a prime number.
For example, 508 738 816 can be divided by 2: 508 738 816 / 2 = 254 369 408.
For 508 738 816 to be a prime number, it would have been required that 508 738 816 has only two divisors, i.e., itself and 1.
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508 738 816 is an even number, because it is evenly divisible by 2: 508 738 816 / 2 = 254 369 408.
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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 508 738 816 is about 22 555.239.
Thus, the square root of 508 738 816 is not an integer, and therefore 508 738 816 is not a square number.
The square of a number (here 508 738 816) is the result of the product of this number (508 738 816) by itself (i.e., 508 738 816 × 508 738 816); the square of 508 738 816 is sometimes called "raising 508 738 816 to the power 2", or "508 738 816 squared".
The square of 508 738 816 is 258 815 182 905 081 856 because 508 738 816 × 508 738 816 = 508 738 8162 = 258 815 182 905 081 856.
As a consequence, 508 738 816 is the square root of 258 815 182 905 081 856.
508 738 816 is a number with 9 digits.
The multiples of 508 738 816 are all integers evenly divisible by 508 738 816, that is all numbers such that the remainder of the division by 508 738 816 is zero. There are infinitely many multiples of 508 738 816. The smallest multiples of 508 738 816 are: