17138678732 has 24 divisors (see below), whose sum is σ = 35074507776. Its totient is φ = 7174330128.

The previous prime is 17138678729. The next prime is 17138678749. The reversal of 17138678732 is 23787683171.

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 7 ways as a sum of consecutive naturals, for example, 7116188 + ... + 7118595.

It is an arithmetic number, because the mean of its divisors is an integer number (1461437824).

Almost surely, 2^17138678732 is an apocalyptic number.

It is an amenable number.

17138678732 is an abundant number, since it is smaller than the sum of its proper divisors (17935829044).

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

17138678732 is a wasteful number, since it uses less digits than its factorization.

17138678732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14234837 (or 14234835 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 53.

The spelling of 17138678732 in words is "seventeen billion, one hundred thirty-eight million, six hundred seventy-eight thousand, seven hundred thirty-two".