13652225631 has 36 divisors (see below), whose sum is σ = 21714137536. Its totient is φ = 8259356160.

The previous prime is 13652225539. The next prime is 13652225677.

13652225631 is a `hidden beast` number, since 13 + 6 + 5 + 2 + 2 + 2 + 5 + 631 = 666.

13652225631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13652225631 - 2¹⁴ = 13652209247 is a prime.

It is a super-2 number, since 2×13652225631² (a number of 21 digits) 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 (13652225681) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 617490 + ... + 639216.

Almost surely, 2^13652225631 is an apocalyptic number.

13652225631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13652225631 is a deficient number, since it is larger than the sum of its proper divisors (8061911905).

13652225631 is a wasteful number, since it uses less digits than its factorization.

13652225631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22332 (or 22318 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 13652225631 in words is "thirteen billion, six hundred fifty-two million, two hundred twenty-five thousand, six hundred thirty-one".