18485701017 has 32 divisors (see below), whose sum is σ = 29001235200. Its totient is φ = 10252459008.

The previous prime is 18485701001. The next prime is 18485701051. The reversal of 18485701017 is 71010758481.

It is not a de Polignac number, because 18485701017 - 2⁴ = 18485701001 is a prime.

It is a super-2 number, since 2×18485701017² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18485701017.

It is not an unprimeable number, because it can be changed into a prime (18485701057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288709 + ... + 346877.

It is an arithmetic number, because the mean of its divisors is an integer number (906288600).

Almost surely, 2^18485701017 is an apocalyptic number.

It is an amenable number.

18485701017 is a deficient number, since it is larger than the sum of its proper divisors (10515534183).

18485701017 is a wasteful number, since it uses less digits than its factorization.

18485701017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58625.

The product of its (nonzero) digits is 62720, while the sum is 42.

The spelling of 18485701017 in words is "eighteen billion, four hundred eighty-five million, seven hundred one thousand, seventeen".