63883173363025 has 9 divisors (see below), whose sum is σ = 79215184524891. Its totient is φ = 51106506719640.

The previous prime is 63883173363013. The next prime is 63883173363047. The reversal of 63883173363025 is 52036337138836.

The square root of 63883173363025 is 7992695.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22997942410689 + 40885230952336 = 4795617^2 + 6394156^2 .

It is not a de Polignac number, because 63883173363025 - 2⁵ = 63883173362993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39164206 + ... + 40762744.

Almost surely, 2^{63883173363025} is an apocalyptic number.

63883173363025 is the 7992695-th square number.

63883173363025 is the 3996348-th centered octagonal number.

It is an amenable number.

63883173363025 is a deficient number, since it is larger than the sum of its proper divisors (15332011161866).

63883173363025 is an frugal number, since it uses more digits than its factorization.

63883173363025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197088 (or 1598544 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 58.

The spelling of 63883173363025 in words is "sixty-three trillion, eight hundred eighty-three billion, one hundred seventy-three million, three hundred sixty-three thousand, twenty-five".