2656604634 has 16 divisors (see below), whose sum is σ = 5364795072. Its totient is φ = 876937248.

The previous prime is 2656604633. The next prime is 2656604647. The reversal of 2656604634 is 4364066562.

2656604634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2656604633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148739 + ... + 2149974.

It is an arithmetic number, because the mean of its divisors is an integer number (335299692).

Almost surely, 2^2656604634 is an apocalyptic number.

2656604634 is an abundant number, since it is smaller than the sum of its proper divisors (2708190438).

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

2656604634 is a wasteful number, since it uses less digits than its factorization.

2656604634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298821.

The product of its (nonzero) digits is 622080, while the sum is 42.

The square root of 2656604634 is about 51542.2606605492. The cubic root of 2656604634 is about 1384.9761944237.

The spelling of 2656604634 in words is "two billion, six hundred fifty-six million, six hundred four thousand, six hundred thirty-four".