18892596481 has 12 divisors (see below), whose sum is σ = 20826133776. Its totient is φ = 17125553720.

The previous prime is 18892596433. The next prime is 18892596521. The reversal of 18892596481 is 18469529881.

It is not a de Polignac number, because 18892596481 - 2¹⁵ = 18892563713 is a prime.

It is a super-2 number, since 2×18892596481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18892590481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182995 + ... + 266968.

It is an arithmetic number, because the mean of its divisors is an integer number (1735511148).

Almost surely, 2^18892596481 is an apocalyptic number.

18892596481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18892596481 is a deficient number, since it is larger than the sum of its proper divisors (1933537295).

18892596481 is a wasteful number, since it uses less digits than its factorization.

18892596481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450332 (or 450321 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 61.

The spelling of 18892596481 in words is "eighteen billion, eight hundred ninety-two million, five hundred ninety-six thousand, four hundred eighty-one".