18445079 has 2 divisors, whose sum is σ = 18445080. Its totient is φ = 18445078.

The previous prime is 18445027. The next prime is 18445081. The reversal of 18445079 is 97054481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18445079 - 2⁸ = 18444823 is a prime.

Together with 18445081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18645079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9222539 + 9222540.

It is an arithmetic number, because the mean of its divisors is an integer number (9222540).

Almost surely, 2^18445079 is an apocalyptic number.

18445079 is a deficient number, since it is larger than the sum of its proper divisors (1).

18445079 is an equidigital number, since it uses as much as digits as its factorization.

18445079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 18445079 is about 4294.7734515339. The cubic root of 18445079 is about 264.2166447494.

The spelling of 18445079 in words is "eighteen million, four hundred forty-five thousand, seventy-nine".