13504543320 has 64 divisors (see below), whose sum is σ = 40541303520. Its totient is φ = 3598751744.

The previous prime is 13504543271. The next prime is 13504543391. The reversal of 13504543320 is 2334540531.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141472 + ... + 216848.

Almost surely, 2^13504543320 is an apocalyptic number.

13504543320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13504543320 is an abundant number, since it is smaller than the sum of its proper divisors (27036760200).

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

13504543320 is a wasteful number, since it uses less digits than its factorization.

13504543320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76884 (or 76880 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 13504543320 in words is "thirteen billion, five hundred four million, five hundred forty-three thousand, three hundred twenty".