18348367039 has 2 divisors, whose sum is σ = 18348367040. Its totient is φ = 18348367038.

The previous prime is 18348367033. The next prime is 18348367061. The reversal of 18348367039 is 93076384381.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18348367039 - 2¹⁷ = 18348235967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18348367033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9174183519 + 9174183520.

It is an arithmetic number, because the mean of its divisors is an integer number (9174183520).

Almost surely, 2^18348367039 is an apocalyptic number.

18348367039 is a deficient number, since it is larger than the sum of its proper divisors (1).

18348367039 is an equidigital number, since it uses as much as digits as its factorization.

18348367039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 18348367039 in words is "eighteen billion, three hundred forty-eight million, three hundred sixty-seven thousand, thirty-nine".