2712781970138 has 16 divisors (see below), whose sum is σ = 4101106149504. Its totient is φ = 1345776614640.

The previous prime is 2712781970039. The next prime is 2712781970149. The reversal of 2712781970138 is 8310791872172.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7325870 + ... + 7687257.

It is an arithmetic number, because the mean of its divisors is an integer number (256319134344).

Almost surely, 2^{2712781970138} is an apocalyptic number.

2712781970138 is a deficient number, since it is larger than the sum of its proper divisors (1388324179366).

2712781970138 is a wasteful number, since it uses less digits than its factorization.

2712781970138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15013837.

The product of its (nonzero) digits is 2370816, while the sum is 56.

The spelling of 2712781970138 in words is "two trillion, seven hundred twelve billion, seven hundred eighty-one million, nine hundred seventy thousand, one hundred thirty-eight".