18980003932 has 6 divisors (see below), whose sum is σ = 33215006888. Its totient is φ = 9490001964.

The previous prime is 18980003909. The next prime is 18980003953. The reversal of 18980003932 is 23930008981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2372500488 + ... + 2372500495.

Almost surely, 2^18980003932 is an apocalyptic number.

It is an amenable number.

18980003932 is a deficient number, since it is larger than the sum of its proper divisors (14235002956).

18980003932 is a wasteful number, since it uses less digits than its factorization.

18980003932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745000987 (or 4745000985 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 18980003932 in words is "eighteen billion, nine hundred eighty million, three thousand, nine hundred thirty-two".