13686889392 has 60 divisors (see below), whose sum is σ = 41786492904. Its totient is φ = 4147541760.

The previous prime is 13686889339. The next prime is 13686889393. The reversal of 13686889392 is 29398868631.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13686889393) 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, 4318773 + ... + 4321940.

Almost surely, 2^13686889392 is an apocalyptic number.

13686889392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13686889392 is an abundant number, since it is smaller than the sum of its proper divisors (28099603512).

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

13686889392 is a wasteful number, since it uses less digits than its factorization.

13686889392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640738 (or 8640729 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 13686889392 in words is "thirteen billion, six hundred eighty-six million, eight hundred eighty-nine thousand, three hundred ninety-two".