9910819912 has 32 divisors (see below), whose sum is σ = 21731371200. Its totient is φ = 4148714304.

The previous prime is 9910819901. The next prime is 9910819937. The reversal of 9910819912 is 2199180199.

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, 2055487 + ... + 2060302.

It is an arithmetic number, because the mean of its divisors is an integer number (679105350).

Almost surely, 2^9910819912 is an apocalyptic number.

It is an amenable number.

9910819912 is an abundant number, since it is smaller than the sum of its proper divisors (11820551288).

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

9910819912 is a wasteful number, since it uses less digits than its factorization.

9910819912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115845 (or 4115841 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 49.

The square root of 9910819912 is about 99553.1009662682. The cubic root of 9910819912 is about 2148.0111344031.

The spelling of 9910819912 in words is "nine billion, nine hundred ten million, eight hundred nineteen thousand, nine hundred twelve".