2656549269913 has 32 divisors (see below), whose sum is σ = 3486677575680. Its totient is φ = 1960921872000.

The previous prime is 2656549269893. The next prime is 2656549269961. The reversal of 2656549269913 is 3199629456562.

2656549269913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2656549269913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656549269113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18642253 + ... + 18784213.

It is an arithmetic number, because the mean of its divisors is an integer number (108958674240).

Almost surely, 2^{2656549269913} is an apocalyptic number.

It is an amenable number.

2656549269913 is a deficient number, since it is larger than the sum of its proper divisors (830128305767).

2656549269913 is a wasteful number, since it uses less digits than its factorization.

2656549269913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154789.

The product of its digits is 188956800, while the sum is 67.

The spelling of 2656549269913 in words is "two trillion, six hundred fifty-six billion, five hundred forty-nine million, two hundred sixty-nine thousand, nine hundred thirteen".