18281486932 has 24 divisors (see below), whose sum is σ = 32259928064. Its totient is φ = 9064433952.

The previous prime is 18281486893. The next prime is 18281486941. The reversal of 18281486932 is 23968418281.

It is a self number, because there is not a number n which added to its sum of digits gives 18281486932.

It is a congruent number.

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, 1230613 + ... + 1245379.

Almost surely, 2^18281486932 is an apocalyptic number.

It is an amenable number.

18281486932 is a deficient number, since it is larger than the sum of its proper divisors (13978441132).

18281486932 is a wasteful number, since it uses less digits than its factorization.

18281486932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17335 (or 17333 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The spelling of 18281486932 in words is "eighteen billion, two hundred eighty-one million, four hundred eighty-six thousand, nine hundred thirty-two".