It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 665 018 is not a prime number.
For example, 488 665 018 can be divided by 2: 488 665 018 / 2 = 244 332 509.
For 488 665 018 to be a prime number, it would have been required that 488 665 018 has only two divisors, i.e., itself and 1.
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488 665 018 is an even number, because it is evenly divisible by 2: 488 665 018 / 2 = 244 332 509.
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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 488 665 018 is about 22 105.769.
Thus, the square root of 488 665 018 is not an integer, and therefore 488 665 018 is not a square number.
The square of a number (here 488 665 018) is the result of the product of this number (488 665 018) by itself (i.e., 488 665 018 × 488 665 018); the square of 488 665 018 is sometimes called "raising 488 665 018 to the power 2", or "488 665 018 squared".
The square of 488 665 018 is 238 793 499 816 940 320 because 488 665 018 × 488 665 018 = 488 665 0182 = 238 793 499 816 940 320.
As a consequence, 488 665 018 is the square root of 238 793 499 816 940 320.
488 665 018 is a number with 9 digits.
The multiples of 488 665 018 are all integers evenly divisible by 488 665 018, that is all numbers such that the remainder of the division by 488 665 018 is zero. There are infinitely many multiples of 488 665 018. The smallest multiples of 488 665 018 are: