18465347339 has 2 divisors, whose sum is σ = 18465347340. Its totient is φ = 18465347338.

The previous prime is 18465347311. The next prime is 18465347363. The reversal of 18465347339 is 93374356481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18465347339 - 2¹² = 18465343243 is a prime.

It is not a weakly prime, because it can be changed into another prime (18465347389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9232673669 + 9232673670.

It is an arithmetic number, because the mean of its divisors is an integer number (9232673670).

Almost surely, 2^18465347339 is an apocalyptic number.

18465347339 is a deficient number, since it is larger than the sum of its proper divisors (1).

18465347339 is an equidigital number, since it uses as much as digits as its factorization.

18465347339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 53.

The spelling of 18465347339 in words is "eighteen billion, four hundred sixty-five million, three hundred forty-seven thousand, three hundred thirty-nine".