18300234839 has 2 divisors, whose sum is σ = 18300234840. Its totient is φ = 18300234838.

The previous prime is 18300234833. The next prime is 18300234923. The reversal of 18300234839 is 93843200381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18300234839 - 2²⁴ = 18283457623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18300234796 and 18300234805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18300234833) 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, 9150117419 + 9150117420.

It is an arithmetic number, because the mean of its divisors is an integer number (9150117420).

Almost surely, 2^18300234839 is an apocalyptic number.

18300234839 is a deficient number, since it is larger than the sum of its proper divisors (1).

18300234839 is an equidigital number, since it uses as much as digits as its factorization.

18300234839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 18300234839 in words is "eighteen billion, three hundred million, two hundred thirty-four thousand, eight hundred thirty-nine".