13644222244631 has 12 divisors (see below), whose sum is σ = 14998078727856. Its totient is φ = 12403250793120.

The previous prime is 13644222244621. The next prime is 13644222244637.

13644222244631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13644222244631 - 2¹⁰ = 13644222243607 is a prime.

It is a super-2 number, since 2×13644222244631² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13644222244637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96011 + ... + 5224716.

It is an arithmetic number, because the mean of its divisors is an integer number (1249839893988).

Almost surely, 2^{13644222244631} is an apocalyptic number.

13644222244631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13644222244631 is a deficient number, since it is larger than the sum of its proper divisors (1353856483225).

13644222244631 is a wasteful number, since it uses less digits than its factorization.

13644222244631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341942 (or 5341931 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 44.

The spelling of 13644222244631 in words is "thirteen trillion, six hundred forty-four billion, two hundred twenty-two million, two hundred forty-four thousand, six hundred thirty-one".