2638812683884 has 96 divisors (see below), whose sum is σ = 5048573362560. Its totient is φ = 1206763833600.

The previous prime is 2638812683849. The next prime is 2638812683939. The reversal of 2638812683884 is 4883862188362.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472817974 + ... + 472823554.

It is an arithmetic number, because the mean of its divisors is an integer number (52589305860).

Almost surely, 2^{2638812683884} is an apocalyptic number.

It is an amenable number.

2638812683884 is a deficient number, since it is larger than the sum of its proper divisors (2409760678676).

2638812683884 is a wasteful number, since it uses less digits than its factorization.

2638812683884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108 (or 6080 counting only the distinct ones).

The product of its digits is 169869312, while the sum is 67.

The spelling of 2638812683884 in words is "two trillion, six hundred thirty-eight billion, eight hundred twelve million, six hundred eighty-three thousand, eight hundred eighty-four".