13689811825208 has 16 divisors (see below), whose sum is σ = 25783502095680. Its totient is φ = 6814211266368.

The previous prime is 13689811825187. The next prime is 13689811825211. The reversal of 13689811825208 is 80252811898631.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3836828885 + ... + 3836832452.

It is an arithmetic number, because the mean of its divisors is an integer number (1611468880980).

Almost surely, 2^{13689811825208} is an apocalyptic number.

It is an amenable number.

13689811825208 is a deficient number, since it is larger than the sum of its proper divisors (12093690270472).

13689811825208 is a wasteful number, since it uses less digits than its factorization.

13689811825208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7673661566 (or 7673661562 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 62.

The spelling of 13689811825208 in words is "thirteen trillion, six hundred eighty-nine billion, eight hundred eleven million, eight hundred twenty-five thousand, two hundred eight".