939798000018 has 32 divisors (see below), whose sum is σ = 2093808787200. Its totient is φ = 312460681968.

The previous prime is 939798000013. The next prime is 939798000019. The reversal of 939798000018 is 810000897939.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (939798000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22348746 + ... + 22390757.

It is an arithmetic number, because the mean of its divisors is an integer number (65431524600).

Almost surely, 2^939798000018 is an apocalyptic number.

939798000018 is an abundant number, since it is smaller than the sum of its proper divisors (1154010787182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

939798000018 is a wasteful number, since it uses less digits than its factorization.

939798000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44739903 (or 44739897 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 939798000018 in words is "nine hundred thirty-nine billion, seven hundred ninety-eight million, eighteen", and thus it is an aban number.