13689161544 has 16 divisors (see below), whose sum is σ = 34222903920. Its totient is φ = 4563053840.

The previous prime is 13689161539. The next prime is 13689161557. The reversal of 13689161544 is 44516198631.

It is a junction number, because it is equal to n+sod(n) for n = 13689161493 and 13689161502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285190842 + ... + 285190889.

It is an arithmetic number, because the mean of its divisors is an integer number (2138931495).

Almost surely, 2^13689161544 is an apocalyptic number.

It is an amenable number.

13689161544 is an abundant number, since it is smaller than the sum of its proper divisors (20533742376).

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

13689161544 is a wasteful number, since it uses less digits than its factorization.

13689161544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570381740 (or 570381736 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 13689161544 in words is "thirteen billion, six hundred eighty-nine million, one hundred sixty-one thousand, five hundred forty-four".