13644655413 has 8 divisors (see below), whose sum is σ = 19263043008. Its totient is φ = 8561352384.

The previous prime is 13644655369. The next prime is 13644655417. The reversal of 13644655413 is 31455644631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13644655413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13644655417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133771081 + ... + 133771182.

It is an arithmetic number, because the mean of its divisors is an integer number (2407880376).

Almost surely, 2^13644655413 is an apocalyptic number.

It is an amenable number.

13644655413 is a deficient number, since it is larger than the sum of its proper divisors (5618387595).

13644655413 is a wasteful number, since it uses less digits than its factorization.

13644655413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267542283.

The product of its digits is 518400, while the sum is 42.

The spelling of 13644655413 in words is "thirteen billion, six hundred forty-four million, six hundred fifty-five thousand, four hundred thirteen".