13406573508 has 24 divisors (see below), whose sum is σ = 32928426720. Its totient is φ = 4233654720.

The previous prime is 13406573449. The next prime is 13406573563. The reversal of 13406573508 is 80537560431.

It is a super-3 number, since 3×13406573508³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13406573508.

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, 29400153 + ... + 29400608.

It is an arithmetic number, because the mean of its divisors is an integer number (1372017780).

Almost surely, 2^13406573508 is an apocalyptic number.

It is an amenable number.

13406573508 is an abundant number, since it is smaller than the sum of its proper divisors (19521853212).

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

13406573508 is a wasteful number, since it uses less digits than its factorization.

13406573508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58800787 (or 58800785 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 13406573508 in words is "thirteen billion, four hundred six million, five hundred seventy-three thousand, five hundred eight".