It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 438 478 014 is not a prime number.
For example, 438 478 014 can be divided by 2: 438 478 014 / 2 = 219 239 007.
For 438 478 014 to be a prime number, it would have been required that 438 478 014 has only two divisors, i.e., itself and 1.
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438 478 014 is an even number, because it is evenly divisible by 2: 438 478 014 / 2 = 219 239 007.
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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 438 478 014 is about 20 939.867.
Thus, the square root of 438 478 014 is not an integer, and therefore 438 478 014 is not a square number.
The square of a number (here 438 478 014) is the result of the product of this number (438 478 014) by itself (i.e., 438 478 014 × 438 478 014); the square of 438 478 014 is sometimes called "raising 438 478 014 to the power 2", or "438 478 014 squared".
The square of 438 478 014 is 192 262 968 761 384 192 because 438 478 014 × 438 478 014 = 438 478 0142 = 192 262 968 761 384 192.
As a consequence, 438 478 014 is the square root of 192 262 968 761 384 192.
438 478 014 is a number with 9 digits.
The multiples of 438 478 014 are all integers evenly divisible by 438 478 014, that is all numbers such that the remainder of the division by 438 478 014 is zero. There are infinitely many multiples of 438 478 014. The smallest multiples of 438 478 014 are: