2249645687832 has 16 divisors (see below), whose sum is σ = 5624114219640. Its totient is φ = 749881895936.

The previous prime is 2249645687803. The next prime is 2249645687851. The reversal of 2249645687832 is 2387865469422.

It is a super-2 number, since 2×2249645687832² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46867618473 + ... + 46867618520.

Almost surely, 2^{2249645687832} is an apocalyptic number.

It is an amenable number.

2249645687832 is an abundant number, since it is smaller than the sum of its proper divisors (3374468531808).

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

2249645687832 is a wasteful number, since it uses less digits than its factorization.

2249645687832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93735237002 (or 93735236998 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 66.

The spelling of 2249645687832 in words is "two trillion, two hundred forty-nine billion, six hundred forty-five million, six hundred eighty-seven thousand, eight hundred thirty-two".