9990069100 has 36 divisors (see below), whose sum is σ = 23649220728. Its totient is φ = 3632752000.

The previous prime is 9990069097. The next prime is 9990069101. The reversal of 9990069100 is 19600999.

It is not an unprimeable number, because it can be changed into a prime (9990069101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4539841 + ... + 4542040.

It is an arithmetic number, because the mean of its divisors is an integer number (656922798).

Almost surely, 2^9990069100 is an apocalyptic number.

It is an amenable number.

9990069100 is an abundant number, since it is smaller than the sum of its proper divisors (13659151628).

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

9990069100 is a wasteful number, since it uses less digits than its factorization.

9990069100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081906 (or 9081899 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 9990069100 is about 99950.3331660280. Note that the first 3 decimals coincide. The cubic root of 9990069100 is about 2153.7212713013.

The spelling of 9990069100 in words is "nine billion, nine hundred ninety million, sixty-nine thousand, one hundred".