18314898839 has 2 divisors, whose sum is σ = 18314898840. Its totient is φ = 18314898838.

The previous prime is 18314898787. The next prime is 18314898887. The reversal of 18314898839 is 93889841381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18314898839 - 2¹² = 18314894743 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18314898739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9157449419 + 9157449420.

It is an arithmetic number, because the mean of its divisors is an integer number (9157449420).

Almost surely, 2^18314898839 is an apocalyptic number.

18314898839 is a deficient number, since it is larger than the sum of its proper divisors (1).

18314898839 is an equidigital number, since it uses as much as digits as its factorization.

18314898839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11943936, while the sum is 62.

The spelling of 18314898839 in words is "eighteen billion, three hundred fourteen million, eight hundred ninety-eight thousand, eight hundred thirty-nine".