18783193084 has 6 divisors (see below), whose sum is σ = 32870587904. Its totient is φ = 9391596540.

The previous prime is 18783193069. The next prime is 18783193211. The reversal of 18783193084 is 48039138781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2347899132 + ... + 2347899139.

Almost surely, 2^18783193084 is an apocalyptic number.

It is an amenable number.

18783193084 is a deficient number, since it is larger than the sum of its proper divisors (14087394820).

18783193084 is a wasteful number, since it uses less digits than its factorization.

18783193084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695798275 (or 4695798273 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 18783193084 in words is "eighteen billion, seven hundred eighty-three million, one hundred ninety-three thousand, eighty-four".