2697561287604 has 36 divisors (see below), whose sum is σ = 6934408965120. Its totient is φ = 883946635920.

The previous prime is 2697561287573. The next prime is 2697561287633. The reversal of 2697561287604 is 4067821657962.

2697561287604 is a `hidden beast` number, since 2 + 6 + 9 + 7 + 5 + 6 + 12 + 8 + 7 + 604 = 666.

2697561287604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635017012 + ... + 635021259.

Almost surely, 2^{2697561287604} is an apocalyptic number.

It is an amenable number.

2697561287604 is an abundant number, since it is smaller than the sum of its proper divisors (4236847677516).

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

2697561287604 is a wasteful number, since it uses less digits than its factorization.

2697561287604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270038340 (or 1270038335 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 2697561287604 in words is "two trillion, six hundred ninety-seven billion, five hundred sixty-one million, two hundred eighty-seven thousand, six hundred four".