3638434712 has 16 divisors (see below), whose sum is σ = 7442253000. Its totient is φ = 1653833920.

The previous prime is 3638434703. The next prime is 3638434733. The reversal of 3638434712 is 2174348363.

It is a self number, because there is not a number n which added to its sum of digits gives 3638434712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20672837 + ... + 20673012.

Almost surely, 2^3638434712 is an apocalyptic number.

It is an amenable number.

3638434712 is an abundant number, since it is smaller than the sum of its proper divisors (3803818288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3638434712 is a wasteful number, since it uses less digits than its factorization.

3638434712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41345866 (or 41345862 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 3638434712 is about 60319.4389231200. The cubic root of 3638434712 is about 1538.0538061976.

The spelling of 3638434712 in words is "three billion, six hundred thirty-eight million, four hundred thirty-four thousand, seven hundred twelve".