It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 989 494 004 is not a prime number.
For example, 989 494 004 can be divided by 2: 989 494 004 / 2 = 494 747 002.
For 989 494 004 to be a prime number, it would have been required that 989 494 004 has only two divisors, i.e., itself and 1.
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989 494 004 is an even number, because it is evenly divisible by 2: 989 494 004 / 2 = 494 747 002.
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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 989 494 004 is about 31 456.224.
Thus, the square root of 989 494 004 is not an integer, and therefore 989 494 004 is not a square number.
The square of a number (here 989 494 004) is the result of the product of this number (989 494 004) by itself (i.e., 989 494 004 × 989 494 004); the square of 989 494 004 is sometimes called "raising 989 494 004 to the power 2", or "989 494 004 squared".
The square of 989 494 004 is 979 098 383 951 952 000 because 989 494 004 × 989 494 004 = 989 494 0042 = 979 098 383 951 952 000.
As a consequence, 989 494 004 is the square root of 979 098 383 951 952 000.
989 494 004 is a number with 9 digits.
The multiples of 989 494 004 are all integers evenly divisible by 989 494 004, that is all numbers such that the remainder of the division by 989 494 004 is zero. There are infinitely many multiples of 989 494 004. The smallest multiples of 989 494 004 are: