13573570972 has 36 divisors (see below), whose sum is σ = 25824314376. Its totient is φ = 6239688000.

The previous prime is 13573570909. The next prime is 13573570973. The reversal of 13573570972 is 27907537531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13573570973) by changing a digit.

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, 129678 + ... + 209674.

It is an arithmetic number, because the mean of its divisors is an integer number (717342066).

Almost surely, 2^13573570972 is an apocalyptic number.

It is an amenable number.

13573570972 is a deficient number, since it is larger than the sum of its proper divisors (12250743404).

13573570972 is a wasteful number, since it uses less digits than its factorization.

13573570972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80278 (or 80263 counting only the distinct ones).

The product of its (nonzero) digits is 1389150, while the sum is 49.

The spelling of 13573570972 in words is "thirteen billion, five hundred seventy-three million, five hundred seventy thousand, nine hundred seventy-two".