3638265423 has 32 divisors (see below), whose sum is σ = 5337841152. Its totient is φ = 2190672000.

The previous prime is 3638265413. The next prime is 3638265457. The reversal of 3638265423 is 3245628363.

It is not a de Polignac number, because 3638265423 - 2⁶ = 3638265359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638265403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389953 + ... + 399173.

It is an arithmetic number, because the mean of its divisors is an integer number (166807536).

Almost surely, 2^3638265423 is an apocalyptic number.

3638265423 is a deficient number, since it is larger than the sum of its proper divisors (1699575729).

3638265423 is a wasteful number, since it uses less digits than its factorization.

3638265423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455.

The product of its digits is 622080, while the sum is 42.

The square root of 3638265423 is about 60318.0356361180. The cubic root of 3638265423 is about 1538.0299516512.

The spelling of 3638265423 in words is "three billion, six hundred thirty-eight million, two hundred sixty-five thousand, four hundred twenty-three".