13993317984 has 48 divisors (see below), whose sum is σ = 38893197168. Its totient is φ = 4390060032.

The previous prime is 13993317937. The next prime is 13993317997. The reversal of 13993317984 is 48971339931.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4285537 + ... + 4288800.

It is an arithmetic number, because the mean of its divisors is an integer number (810274941).

Almost surely, 2^13993317984 is an apocalyptic number.

It is an amenable number.

13993317984 is an abundant number, since it is smaller than the sum of its proper divisors (24899879184).

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

13993317984 is a wasteful number, since it uses less digits than its factorization.

13993317984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8574367 (or 8574359 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The spelling of 13993317984 in words is "thirteen billion, nine hundred ninety-three million, three hundred seventeen thousand, nine hundred eighty-four".