13897389792 has 192 divisors, whose sum is σ = 45114935040. Its totient is φ = 3682713600.

The previous prime is 13897389763. The next prime is 13897389841. The reversal of 13897389792 is 29798379831.

13897389792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

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 31 ways as a sum of consecutive naturals, for example, 234192 + ... + 287472.

It is an arithmetic number, because the mean of its divisors is an integer number (234973620).

Almost surely, 2^13897389792 is an apocalyptic number.

13897389792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13897389792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22557467520).

13897389792 is an abundant number, since it is smaller than the sum of its proper divisors (31217545248).

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

13897389792 is a wasteful number, since it uses less digits than its factorization.

13897389792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53337 (or 53329 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 66.

The spelling of 13897389792 in words is "thirteen billion, eight hundred ninety-seven million, three hundred eighty-nine thousand, seven hundred ninety-two".