9909336018 has 32 divisors (see below), whose sum is σ = 20529936000. Its totient is φ = 3184877696.

The previous prime is 9909336013. The next prime is 9909336083. The reversal of 9909336018 is 8106339099.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9909336011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90958 + ... + 167606.

It is an arithmetic number, because the mean of its divisors is an integer number (641560500).

Almost surely, 2^9909336018 is an apocalyptic number.

9909336018 is an abundant number, since it is smaller than the sum of its proper divisors (10620599982).

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

9909336018 is a wasteful number, since it uses less digits than its factorization.

9909336018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77426.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 9909336018 is about 99545.6479108956. The cubic root of 9909336018 is about 2147.9039256503.

The spelling of 9909336018 in words is "nine billion, nine hundred nine million, three hundred thirty-six thousand, eighteen".