13693138480 has 80 divisors (see below), whose sum is σ = 36981186624. Its totient is φ = 4617815040.

The previous prime is 13693138463. The next prime is 13693138489. The reversal of 13693138480 is 8483139631.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 13693138480.

It is not an unprimeable number, because it can be changed into a prime (13693138489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166267 + ... + 234586.

Almost surely, 2^13693138480 is an apocalyptic number.

13693138480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13693138480 is an abundant number, since it is smaller than the sum of its proper divisors (23288048144).

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

13693138480 is a wasteful number, since it uses less digits than its factorization.

13693138480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400934 (or 400928 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 13693138480 in words is "thirteen billion, six hundred ninety-three million, one hundred thirty-eight thousand, four hundred eighty".