18455828971 has 2 divisors, whose sum is σ = 18455828972. Its totient is φ = 18455828970.

The previous prime is 18455828957. The next prime is 18455828977. The reversal of 18455828971 is 17982855481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18455828971 - 2²⁵ = 18422274539 is a prime.

It is not a weakly prime, because it can be changed into another prime (18455828977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9227914485 + 9227914486.

It is an arithmetic number, because the mean of its divisors is an integer number (9227914486).

Almost surely, 2^18455828971 is an apocalyptic number.

18455828971 is a deficient number, since it is larger than the sum of its proper divisors (1).

18455828971 is an equidigital number, since it uses as much as digits as its factorization.

18455828971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6451200, while the sum is 58.

The spelling of 18455828971 in words is "eighteen billion, four hundred fifty-five million, eight hundred twenty-eight thousand, nine hundred seventy-one".