2656901394 has 48 divisors (see below), whose sum is σ = 6588923328. Its totient is φ = 757969056.

The previous prime is 2656901371. The next prime is 2656901411. The reversal of 2656901394 is 4931096562.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69729 + ... + 100875.

It is an arithmetic number, because the mean of its divisors is an integer number (137269236).

Almost surely, 2^2656901394 is an apocalyptic number.

2656901394 is an abundant number, since it is smaller than the sum of its proper divisors (3932021934).

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

2656901394 is a wasteful number, since it uses less digits than its factorization.

2656901394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31839 (or 31836 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2656901394 is about 51545.1393828749. The cubic root of 2656901394 is about 1385.0277627837.

The spelling of 2656901394 in words is "two billion, six hundred fifty-six million, nine hundred one thousand, three hundred ninety-four".