18529486627 has 2 divisors, whose sum is σ = 18529486628. Its totient is φ = 18529486626.

The previous prime is 18529486561. The next prime is 18529486643. The reversal of 18529486627 is 72668492581.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18529486627 is a prime.

It is not a weakly prime, because it can be changed into another prime (18529486667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9264743313 + 9264743314.

It is an arithmetic number, because the mean of its divisors is an integer number (9264743314).

Almost surely, 2^18529486627 is an apocalyptic number.

18529486627 is a deficient number, since it is larger than the sum of its proper divisors (1).

18529486627 is an equidigital number, since it uses as much as digits as its factorization.

18529486627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 58.

The spelling of 18529486627 in words is "eighteen billion, five hundred twenty-nine million, four hundred eighty-six thousand, six hundred twenty-seven".