It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 397 495 196 is not a prime number.
For example, 397 495 196 can be divided by 2: 397 495 196 / 2 = 198 747 598.
For 397 495 196 to be a prime number, it would have been required that 397 495 196 has only two divisors, i.e., itself and 1.
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397 495 196 is an even number, because it is evenly divisible by 2: 397 495 196 / 2 = 198 747 598.
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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 397 495 196 is about 19 937.282.
Thus, the square root of 397 495 196 is not an integer, and therefore 397 495 196 is not a square number.
The square of a number (here 397 495 196) is the result of the product of this number (397 495 196) by itself (i.e., 397 495 196 × 397 495 196); the square of 397 495 196 is sometimes called "raising 397 495 196 to the power 2", or "397 495 196 squared".
The square of 397 495 196 is 158 002 430 843 078 400 because 397 495 196 × 397 495 196 = 397 495 1962 = 158 002 430 843 078 400.
As a consequence, 397 495 196 is the square root of 158 002 430 843 078 400.
397 495 196 is a number with 9 digits.
The multiples of 397 495 196 are all integers evenly divisible by 397 495 196, that is all numbers such that the remainder of the division by 397 495 196 is zero. There are infinitely many multiples of 397 495 196. The smallest multiples of 397 495 196 are: