63163125625 has 10 divisors (see below), whose sum is σ = 78928642562. Its totient is φ = 50530500000.

The previous prime is 63163125547. The next prime is 63163125659. The reversal of 63163125625 is 52652136136.

It can be written as a sum of positive squares in 5 ways, for example, as 29777988969 + 33385136656 = 172563^2 + 182716^2 .

It is a de Polignac number, because none of the positive numbers 2^k-63163125625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50529876 + ... + 50531125.

Almost surely, 2^63163125625 is an apocalyptic number.

It is an amenable number.

63163125625 is a deficient number, since it is larger than the sum of its proper divisors (15765516937).

63163125625 is an equidigital number, since it uses as much as digits as its factorization.

63163125625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101061021 (or 101061006 counting only the distinct ones).

The product of its digits is 194400, while the sum is 40.

The spelling of 63163125625 in words is "sixty-three billion, one hundred sixty-three million, one hundred twenty-five thousand, six hundred twenty-five".