18332545327 has 2 divisors, whose sum is σ = 18332545328. Its totient is φ = 18332545326.

The previous prime is 18332545321. The next prime is 18332545369. The reversal of 18332545327 is 72354523381.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18332545327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18332545321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9166272663 + 9166272664.

It is an arithmetic number, because the mean of its divisors is an integer number (9166272664).

Almost surely, 2^18332545327 is an apocalyptic number.

18332545327 is a deficient number, since it is larger than the sum of its proper divisors (1).

18332545327 is an equidigital number, since it uses as much as digits as its factorization.

18332545327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 43.

The spelling of 18332545327 in words is "eighteen billion, three hundred thirty-two million, five hundred forty-five thousand, three hundred twenty-seven".