2681627865684 has 24 divisors (see below), whose sum is σ = 6293300082720. Its totient is φ = 888709041504.

The previous prime is 2681627865641. The next prime is 2681627865799. The reversal of 2681627865684 is 4865687261862.

It is a super-2 number, since 2×2681627865684² (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 7 ways as a sum of consecutive naturals, for example, 645862054 + ... + 645866205.

It is an arithmetic number, because the mean of its divisors is an integer number (262220836780).

Almost surely, 2^{2681627865684} is an apocalyptic number.

It is an amenable number.

2681627865684 is an abundant number, since it is smaller than the sum of its proper divisors (3611672217036).

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

2681627865684 is a wasteful number, since it uses less digits than its factorization.

2681627865684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291728439 (or 1291728437 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 69.

The spelling of 2681627865684 in words is "two trillion, six hundred eighty-one billion, six hundred twenty-seven million, eight hundred sixty-five thousand, six hundred eighty-four".