18041339 has 2 divisors, whose sum is σ = 18041340. Its totient is φ = 18041338.

The previous prime is 18041323. The next prime is 18041347. The reversal of 18041339 is 93314081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18041339 - 2⁴ = 18041323 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18041939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9020669 + 9020670.

It is an arithmetic number, because the mean of its divisors is an integer number (9020670).

Almost surely, 2^18041339 is an apocalyptic number.

18041339 is a deficient number, since it is larger than the sum of its proper divisors (1).

18041339 is an equidigital number, since it uses as much as digits as its factorization.

18041339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 18041339 is about 4247.5097410130. The cubic root of 18041339 is about 262.2746134890.

The spelling of 18041339 in words is "eighteen million, forty-one thousand, three hundred thirty-nine".