2831799643938 has 64 divisors (see below), whose sum is σ = 6441693143040. Its totient is φ = 921705670800.

The previous prime is 2831799643919. The next prime is 2831799643943. The reversal of 2831799643938 is 8393469971382.

2831799643938 is a `hidden beast` number, since 2 + 8 + 3 + 1 + 79 + 96 + 439 + 38 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200508 + ... + 2388263.

It is an arithmetic number, because the mean of its divisors is an integer number (100651455360).

Almost surely, 2^{2831799643938} is an apocalyptic number.

2831799643938 is an abundant number, since it is smaller than the sum of its proper divisors (3609893499102).

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

2831799643938 is a wasteful number, since it uses less digits than its factorization.

2831799643938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589260 (or 2589254 counting only the distinct ones).

The product of its digits is 423263232, while the sum is 72.

The spelling of 2831799643938 in words is "two trillion, eight hundred thirty-one billion, seven hundred ninety-nine million, six hundred forty-three thousand, nine hundred thirty-eight".