13789831644 has 36 divisors (see below), whose sum is σ = 36059619960. Its totient is φ = 4438106400.

The previous prime is 13789831633. The next prime is 13789831667. The reversal of 13789831644 is 44613898731.

13789831644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6603282 + ... + 6605369.

It is an arithmetic number, because the mean of its divisors is an integer number (1001656110).

Almost surely, 2^13789831644 is an apocalyptic number.

It is an amenable number.

13789831644 is an abundant number, since it is smaller than the sum of its proper divisors (22269788316).

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

13789831644 is a wasteful number, since it uses less digits than its factorization.

13789831644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13208690 (or 13208685 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 13789831644 in words is "thirteen billion, seven hundred eighty-nine million, eight hundred thirty-one thousand, six hundred forty-four".