18422710585 has 8 divisors (see below), whose sum is σ = 22166523720. Its totient is φ = 14698654464.

The previous prime is 18422710541. The next prime is 18422710601. The reversal of 18422710585 is 58501722481.

It can be written as a sum of positive squares in 4 ways, for example, as 3617661609 + 14805048976 = 60147^2 + 121676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18422710585 - 2²³ = 18414321977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4937200 + ... + 4940929.

It is an arithmetic number, because the mean of its divisors is an integer number (2770815465).

Almost surely, 2^18422710585 is an apocalyptic number.

It is an amenable number.

18422710585 is a deficient number, since it is larger than the sum of its proper divisors (3743813135).

18422710585 is an equidigital number, since it uses as much as digits as its factorization.

18422710585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9878507.

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 18422710585 in words is "eighteen billion, four hundred twenty-two million, seven hundred ten thousand, five hundred eighty-five".