17918059139 has 2 divisors, whose sum is σ = 17918059140. Its totient is φ = 17918059138.

The previous prime is 17918059121. The next prime is 17918059151. The reversal of 17918059139 is 93195081971.

It is a strong prime.

It is an emirp because it is prime and its reverse (93195081971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17918059139 - 2²⁸ = 17649623683 is a prime.

It is not a weakly prime, because it can be changed into another prime (17918059189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8959029569 + 8959029570.

It is an arithmetic number, because the mean of its divisors is an integer number (8959029570).

Almost surely, 2^17918059139 is an apocalyptic number.

17918059139 is a deficient number, since it is larger than the sum of its proper divisors (1).

17918059139 is an equidigital number, since it uses as much as digits as its factorization.

17918059139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 53.

The spelling of 17918059139 in words is "seventeen billion, nine hundred eighteen million, fifty-nine thousand, one hundred thirty-nine".