18739114039 has 2 divisors, whose sum is σ = 18739114040. Its totient is φ = 18739114038.

The previous prime is 18739113997. The next prime is 18739114087. The reversal of 18739114039 is 93041193781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18739114039 - 2¹¹ = 18739111991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18739114039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18739114099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9369557019 + 9369557020.

It is an arithmetic number, because the mean of its divisors is an integer number (9369557020).

Almost surely, 2^18739114039 is an apocalyptic number.

18739114039 is a deficient number, since it is larger than the sum of its proper divisors (1).

18739114039 is an equidigital number, since it uses as much as digits as its factorization.

18739114039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 18739114039 in words is "eighteen billion, seven hundred thirty-nine million, one hundred fourteen thousand, thirty-nine".