18922127663 has 2 divisors, whose sum is σ = 18922127664. Its totient is φ = 18922127662.

The previous prime is 18922127647. The next prime is 18922127687. The reversal of 18922127663 is 36672122981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18922127663 - 2⁴ = 18922127647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18922129663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9461063831 + 9461063832.

It is an arithmetic number, because the mean of its divisors is an integer number (9461063832).

Almost surely, 2^18922127663 is an apocalyptic number.

18922127663 is a deficient number, since it is larger than the sum of its proper divisors (1).

18922127663 is an equidigital number, since it uses as much as digits as its factorization.

18922127663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The spelling of 18922127663 in words is "eighteen billion, nine hundred twenty-two million, one hundred twenty-seven thousand, six hundred sixty-three".