2656004263 has 32 divisors (see below), whose sum is σ = 3110722560. Its totient is φ = 2245138560.

The previous prime is 2656004257. The next prime is 2656004287. The reversal of 2656004263 is 3624006562.

It is a cyclic number.

It is not a de Polignac number, because 2656004263 - 2⁹ = 2656003751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656004203) 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, 820933 + ... + 824161.

It is an arithmetic number, because the mean of its divisors is an integer number (97210080).

Almost surely, 2^2656004263 is an apocalyptic number.

2656004263 is a deficient number, since it is larger than the sum of its proper divisors (454718297).

2656004263 is a wasteful number, since it uses less digits than its factorization.

2656004263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2656004263 is about 51536.4362660050. The cubic root of 2656004263 is about 1384.8718554519.

The spelling of 2656004263 in words is "two billion, six hundred fifty-six million, four thousand, two hundred sixty-three".