18044063 has 2 divisors, whose sum is σ = 18044064. Its totient is φ = 18044062.

The previous prime is 18044051. The next prime is 18044069. The reversal of 18044063 is 36044081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18044063 - 2⁶ = 18043999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18044069) 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, 9022031 + 9022032.

It is an arithmetic number, because the mean of its divisors is an integer number (9022032).

Almost surely, 2^18044063 is an apocalyptic number.

18044063 is a deficient number, since it is larger than the sum of its proper divisors (1).

18044063 is an equidigital number, since it uses as much as digits as its factorization.

18044063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 18044063 is about 4247.8303873860. The cubic root of 18044063 is about 262.2878128066.

The spelling of 18044063 in words is "eighteen million, forty-four thousand, sixty-three".