13736413644 has 48 divisors (see below), whose sum is σ = 35107279200. Its totient is φ = 4160859136.

The previous prime is 13736413573. The next prime is 13736413667. The reversal of 13736413644 is 44631463731.

It is a junction number, because it is equal to n+sod(n) for n = 13736413596 and 13736413605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155039 + ... + 1166870.

It is an arithmetic number, because the mean of its divisors is an integer number (731401650).

Almost surely, 2^13736413644 is an apocalyptic number.

It is an amenable number.

13736413644 is an abundant number, since it is smaller than the sum of its proper divisors (21370865556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13736413644 is a wasteful number, since it uses less digits than its factorization.

13736413644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321962 (or 2321960 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The spelling of 13736413644 in words is "thirteen billion, seven hundred thirty-six million, four hundred thirteen thousand, six hundred forty-four".