17975788139 has 2 divisors, whose sum is σ = 17975788140. Its totient is φ = 17975788138.

The previous prime is 17975788133. The next prime is 17975788141. The reversal of 17975788139 is 93188757971.

It is a strong prime.

It is an emirp because it is prime and its reverse (93188757971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17975788139 - 2⁸ = 17975787883 is a prime.

Together with 17975788141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (17975788133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8987894069 + 8987894070.

It is an arithmetic number, because the mean of its divisors is an integer number (8987894070).

Almost surely, 2^17975788139 is an apocalyptic number.

17975788139 is a deficient number, since it is larger than the sum of its proper divisors (1).

17975788139 is an equidigital number, since it uses as much as digits as its factorization.

17975788139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 65.

The spelling of 17975788139 in words is "seventeen billion, nine hundred seventy-five million, seven hundred eighty-eight thousand, one hundred thirty-nine".