3638265425 has 12 divisors (see below), whose sum is σ = 4574992896. Its totient is φ = 2869616400.

The previous prime is 3638265413. The next prime is 3638265457. The reversal of 3638265425 is 5245628363.

3638265425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3638265425 - 2²⁴ = 3621488209 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023089 + ... + 1026638.

It is an arithmetic number, because the mean of its divisors is an integer number (381249408).

Almost surely, 2^3638265425 is an apocalyptic number.

It is an amenable number.

3638265425 is a deficient number, since it is larger than the sum of its proper divisors (936727471).

3638265425 is a wasteful number, since it uses less digits than its factorization.

3638265425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049808 (or 2049803 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The square root of 3638265425 is about 60318.0356526968. The cubic root of 3638265425 is about 1538.0299519330.

The spelling of 3638265425 in words is "three billion, six hundred thirty-eight million, two hundred sixty-five thousand, four hundred twenty-five".