18460049039 has 2 divisors, whose sum is σ = 18460049040. Its totient is φ = 18460049038.

The previous prime is 18460049011. The next prime is 18460049057. The reversal of 18460049039 is 93094006481.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18460049039 is a prime.

It is a super-3 number, since 3×18460049039³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18460049099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9230024519 + 9230024520.

It is an arithmetic number, because the mean of its divisors is an integer number (9230024520).

Almost surely, 2^18460049039 is an apocalyptic number.

18460049039 is a deficient number, since it is larger than the sum of its proper divisors (1).

18460049039 is an equidigital number, since it uses as much as digits as its factorization.

18460049039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 18460049039 in words is "eighteen billion, four hundred sixty million, forty-nine thousand, thirty-nine".