18930364339 has 2 divisors, whose sum is σ = 18930364340. Its totient is φ = 18930364338.

The previous prime is 18930364309. The next prime is 18930364361. The reversal of 18930364339 is 93346303981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18930364339 - 2⁹ = 18930363827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18930364292 and 18930364301.

It is not a weakly prime, because it can be changed into another prime (18930364309) by changing a digit.

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 as a sum of consecutive naturals, namely, 9465182169 + 9465182170.

It is an arithmetic number, because the mean of its divisors is an integer number (9465182170).

Almost surely, 2^18930364339 is an apocalyptic number.

18930364339 is a deficient number, since it is larger than the sum of its proper divisors (1).

18930364339 is an equidigital number, since it uses as much as digits as its factorization.

18930364339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 18930364339 in words is "eighteen billion, nine hundred thirty million, three hundred sixty-four thousand, three hundred thirty-nine".