2688671084464 has 20 divisors (see below), whose sum is σ = 5388931269360. Its totient is φ = 1297979144000.

The previous prime is 2688671084461. The next prime is 2688671084513. The reversal of 2688671084464 is 4644801768862.

It is a junction number, because it is equal to n+sod(n) for n = 2688671084396 and 2688671084405.

It is not an unprimeable number, because it can be changed into a prime (2688671084461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2897274412 + ... + 2897275339.

It is an arithmetic number, because the mean of its divisors is an integer number (269446563468).

Almost surely, 2^{2688671084464} is an apocalyptic number.

It is an amenable number.

2688671084464 is an abundant number, since it is smaller than the sum of its proper divisors (2700260184896).

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

2688671084464 is a wasteful number, since it uses less digits than its factorization.

2688671084464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794549788 (or 5794549782 counting only the distinct ones).

The product of its (nonzero) digits is 99090432, while the sum is 64.

The spelling of 2688671084464 in words is "two trillion, six hundred eighty-eight billion, six hundred seventy-one million, eighty-four thousand, four hundred sixty-four".