13919712672 has 24 divisors (see below), whose sum is σ = 36539246016. Its totient is φ = 4639904192.

The previous prime is 13919712649. The next prime is 13919712673. The reversal of 13919712672 is 27621791931.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (13919712673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72498408 + ... + 72498599.

It is an arithmetic number, because the mean of its divisors is an integer number (1522468584).

Almost surely, 2^13919712672 is an apocalyptic number.

13919712672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13919712672 is an abundant number, since it is smaller than the sum of its proper divisors (22619533344).

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

13919712672 is a wasteful number, since it uses less digits than its factorization.

13919712672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144997020 (or 144997012 counting only the distinct ones).

The product of its digits is 285768, while the sum is 48.

The spelling of 13919712672 in words is "thirteen billion, nine hundred nineteen million, seven hundred twelve thousand, six hundred seventy-two".