2656646233 has 2 divisors, whose sum is σ = 2656646234. Its totient is φ = 2656646232.

The previous prime is 2656646171. The next prime is 2656646249. The reversal of 2656646233 is 3326466562.

2656646233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2555100304 + 101545929 = 50548^2 + 10077^2 .

It is a cyclic number.

It is not a de Polignac number, because 2656646233 - 2¹⁷ = 2656515161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2656646233.

It is not a weakly prime, because it can be changed into another prime (2656646273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328323116 + 1328323117.

It is an arithmetic number, because the mean of its divisors is an integer number (1328323117).

Almost surely, 2^2656646233 is an apocalyptic number.

It is an amenable number.

2656646233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656646233 is an equidigital number, since it uses as much as digits as its factorization.

2656646233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 43.

The square root of 2656646233 is about 51542.6642016107. The cubic root of 2656646233 is about 1384.9834233659.

The spelling of 2656646233 in words is "two billion, six hundred fifty-six million, six hundred forty-six thousand, two hundred thirty-three".