13208867968570 has 64 divisors (see below), whose sum is σ = 24025457143296. Its totient is φ = 5228263756800.

The previous prime is 13208867968561. The next prime is 13208867968591. The reversal of 13208867968570 is 7586976880231.

It is a super-2 number, since 2×13208867968570² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13208867968570.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2648657617 + ... + 2648662603.

It is an arithmetic number, because the mean of its divisors is an integer number (375397767864).

Almost surely, 2^{13208867968570} is an apocalyptic number.

13208867968570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13208867968570 is a deficient number, since it is larger than the sum of its proper divisors (10816589174726).

13208867968570 is a wasteful number, since it uses less digits than its factorization.

13208867968570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455.

The product of its (nonzero) digits is 243855360, while the sum is 70.

The spelling of 13208867968570 in words is "thirteen trillion, two hundred eight billion, eight hundred sixty-seven million, nine hundred sixty-eight thousand, five hundred seventy".