18150033939 has 8 divisors (see below), whose sum is σ = 24202490832. Its totient is φ = 12098799840.

The previous prime is 18150033929. The next prime is 18150033947. The reversal of 18150033939 is 93933005181.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18150033939 - 2⁸ = 18150033683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18150033939.

It is not an unprimeable number, because it can be changed into a prime (18150033929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270484 + ... + 330849.

It is an arithmetic number, because the mean of its divisors is an integer number (3025311354).

Almost surely, 2^18150033939 is an apocalyptic number.

18150033939 is a deficient number, since it is larger than the sum of its proper divisors (6052456893).

18150033939 is a wasteful number, since it uses less digits than its factorization.

18150033939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611397.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 18150033939 in words is "eighteen billion, one hundred fifty million, thirty-three thousand, nine hundred thirty-nine".