It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 702 016 388 is not a prime number.
For example, 702 016 388 can be divided by 2: 702 016 388 / 2 = 351 008 194.
For 702 016 388 to be a prime number, it would have been required that 702 016 388 has only two divisors, i.e., itself and 1.
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702 016 388 is an even number, because it is evenly divisible by 2: 702 016 388 / 2 = 351 008 194.
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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 702 016 388 is about 26 495.592.
Thus, the square root of 702 016 388 is not an integer, and therefore 702 016 388 is not a square number.
The square of a number (here 702 016 388) is the result of the product of this number (702 016 388) by itself (i.e., 702 016 388 × 702 016 388); the square of 702 016 388 is sometimes called "raising 702 016 388 to the power 2", or "702 016 388 squared".
The square of 702 016 388 is 492 827 009 020 566 528 because 702 016 388 × 702 016 388 = 702 016 3882 = 492 827 009 020 566 528.
As a consequence, 702 016 388 is the square root of 492 827 009 020 566 528.
702 016 388 is a number with 9 digits.
The multiples of 702 016 388 are all integers evenly divisible by 702 016 388, that is all numbers such that the remainder of the division by 702 016 388 is zero. There are infinitely many multiples of 702 016 388. The smallest multiples of 702 016 388 are: