It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 140 012 is not a prime number.
For example, 490 140 012 can be divided by 2: 490 140 012 / 2 = 245 070 006.
For 490 140 012 to be a prime number, it would have been required that 490 140 012 has only two divisors, i.e., itself and 1.
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490 140 012 is an even number, because it is evenly divisible by 2: 490 140 012 / 2 = 245 070 006.
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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 490 140 012 is about 22 139.106.
Thus, the square root of 490 140 012 is not an integer, and therefore 490 140 012 is not a square number.
The square of a number (here 490 140 012) is the result of the product of this number (490 140 012) by itself (i.e., 490 140 012 × 490 140 012); the square of 490 140 012 is sometimes called "raising 490 140 012 to the power 2", or "490 140 012 squared".
The square of 490 140 012 is 240 237 231 363 360 128 because 490 140 012 × 490 140 012 = 490 140 0122 = 240 237 231 363 360 128.
As a consequence, 490 140 012 is the square root of 240 237 231 363 360 128.
490 140 012 is a number with 9 digits.
The multiples of 490 140 012 are all integers evenly divisible by 490 140 012, that is all numbers such that the remainder of the division by 490 140 012 is zero. There are infinitely many multiples of 490 140 012. The smallest multiples of 490 140 012 are: