13604388976 has 60 divisors (see below), whose sum is σ = 27072207000. Its totient is φ = 6620667520.

The previous prime is 13604388953. The next prime is 13604389037. The reversal of 13604388976 is 67988340631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43743861 + ... + 43744171.

It is an arithmetic number, because the mean of its divisors is an integer number (451203450).

Almost surely, 2^13604388976 is an apocalyptic number.

13604388976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13604388976 is a deficient number, since it is larger than the sum of its proper divisors (13467818024).

13604388976 is an equidigital number, since it uses as much as digits as its factorization.

13604388976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 13604388976 in words is "thirteen billion, six hundred four million, three hundred eighty-eight thousand, nine hundred seventy-six".