2655633631 has 32 divisors (see below), whose sum is σ = 3335454720. Its totient is φ = 2061849600.

The previous prime is 2655633623. The next prime is 2655633647. The reversal of 2655633631 is 1363365562.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2655633631 - 2³ = 2655633623 is a prime.

It is a super-2 number, since 2×2655633631² = 14104779964196488322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655633611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702715 + ... + 706483.

It is an arithmetic number, because the mean of its divisors is an integer number (104232960).

Almost surely, 2^2655633631 is an apocalyptic number.

2655633631 is a deficient number, since it is larger than the sum of its proper divisors (679821089).

2655633631 is a wasteful number, since it uses less digits than its factorization.

2655633631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015.

The product of its digits is 291600, while the sum is 40.

The square root of 2655633631 is about 51532.8403156667. The cubic root of 2655633631 is about 1384.8074351609.

The spelling of 2655633631 in words is "two billion, six hundred fifty-five million, six hundred thirty-three thousand, six hundred thirty-one".