13333978472432 has 40 divisors (see below), whose sum is σ = 25965983784960. Its totient is φ = 6633147879360.

The previous prime is 13333978472401. The next prime is 13333978472449. The reversal of 13333978472432 is 23427487933331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979073 + ... + 5256095.

It is an arithmetic number, because the mean of its divisors is an integer number (649149594624).

Almost surely, 2^{13333978472432} is an apocalyptic number.

It is an amenable number.

13333978472432 is a deficient number, since it is larger than the sum of its proper divisors (12632005312528).

13333978472432 is a wasteful number, since it uses less digits than its factorization.

13333978472432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278021 (or 4278015 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 59.

The spelling of 13333978472432 in words is "thirteen trillion, three hundred thirty-three billion, nine hundred seventy-eight million, four hundred seventy-two thousand, four hundred thirty-two".