18258667027 has 2 divisors, whose sum is σ = 18258667028. Its totient is φ = 18258667026.

The previous prime is 18258667013. The next prime is 18258667051. The reversal of 18258667027 is 72076685281.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18258667027 is a prime.

It is not a weakly prime, because it can be changed into another prime (18258667127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9129333513 + 9129333514.

It is an arithmetic number, because the mean of its divisors is an integer number (9129333514).

Almost surely, 2^18258667027 is an apocalyptic number.

18258667027 is a deficient number, since it is larger than the sum of its proper divisors (1).

18258667027 is an equidigital number, since it uses as much as digits as its factorization.

18258667027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 18258667027 in words is "eighteen billion, two hundred fifty-eight million, six hundred sixty-seven thousand, twenty-seven".