18393906932 has 24 divisors (see below), whose sum is σ = 33595017792. Its totient is φ = 8795476800.

The previous prime is 18393906917. The next prime is 18393906941. The reversal of 18393906932 is 23960939381.

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, 600632 + ... + 630512.

It is an arithmetic number, because the mean of its divisors is an integer number (1399792408).

Almost surely, 2^18393906932 is an apocalyptic number.

It is an amenable number.

18393906932 is a deficient number, since it is larger than the sum of its proper divisors (15201110860).

18393906932 is a wasteful number, since it uses less digits than its factorization.

18393906932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36599 (or 36597 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 18393906932 in words is "eighteen billion, three hundred ninety-three million, nine hundred six thousand, nine hundred thirty-two".