18330328927 has 2 divisors, whose sum is σ = 18330328928. Its totient is φ = 18330328926.

The previous prime is 18330328889. The next prime is 18330329009. The reversal of 18330328927 is 72982303381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18330328927 - 2¹¹ = 18330326879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18330398927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9165164463 + 9165164464.

It is an arithmetic number, because the mean of its divisors is an integer number (9165164464).

Almost surely, 2^18330328927 is an apocalyptic number.

18330328927 is a deficient number, since it is larger than the sum of its proper divisors (1).

18330328927 is an equidigital number, since it uses as much as digits as its factorization.

18330328927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 18330328927 in words is "eighteen billion, three hundred thirty million, three hundred twenty-eight thousand, nine hundred twenty-seven".