17138942625 has 32 divisors (see below), whose sum is σ = 32593377024. Its totient is φ = 7834944000.

The previous prime is 17138942617. The next prime is 17138942663. The reversal of 17138942625 is 52624983171.

It is not a de Polignac number, because 17138942625 - 2³ = 17138942617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3261936 + ... + 3267185.

It is an arithmetic number, because the mean of its divisors is an integer number (1018543032).

Almost surely, 2^17138942625 is an apocalyptic number.

17138942625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17138942625 is a deficient number, since it is larger than the sum of its proper divisors (15454434399).

17138942625 is an equidigital number, since it uses as much as digits as its factorization.

17138942625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529146 (or 6529136 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The spelling of 17138942625 in words is "seventeen billion, one hundred thirty-eight million, nine hundred forty-two thousand, six hundred twenty-five".