3639673787112 has 64 divisors (see below), whose sum is σ = 11029314513600. Its totient is φ = 1102931449920.

The previous prime is 3639673787051. The next prime is 3639673787171. The reversal of 3639673787112 is 2117873769363.

It is a happy number.

3639673787112 is a `hidden beast` number, since 3 + 63 + 96 + 7 + 378 + 7 + 112 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3639673787112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765922243 + ... + 765926994.

It is an arithmetic number, because the mean of its divisors is an integer number (172333039275).

Almost surely, 2^{3639673787112} is an apocalyptic number.

It is an amenable number.

3639673787112 is an abundant number, since it is smaller than the sum of its proper divisors (7389640726488).

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

3639673787112 is a wasteful number, since it uses less digits than its factorization.

3639673787112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531849263 (or 1531849253 counting only the distinct ones).

The product of its digits is 48009024, while the sum is 63.

The spelling of 3639673787112 in words is "three trillion, six hundred thirty-nine billion, six hundred seventy-three million, seven hundred eighty-seven thousand, one hundred twelve".