9900000099 has 24 divisors (see below), whose sum is σ = 16517650032. Its totient is φ = 5647057920.

The previous prime is 9900000083. The next prime is 9900000107.

9900000099 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9900000099 - 2⁴ = 9900000083 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9900000029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2939494 + ... + 2942859.

It is an arithmetic number, because the mean of its divisors is an integer number (688235418).

Almost surely, 2^9900000099 is an apocalyptic number.

9900000099 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9900000099 is a deficient number, since it is larger than the sum of its proper divisors (6617649933).

9900000099 is a wasteful number, since it uses less digits than its factorization.

9900000099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882387 (or 5882384 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 36.

The square root of 9900000099 is about 99498.7442081557. The cubic root of 9900000099 is about 2147.2291761764.

It can be divided in two parts, 99000000 and 99, that multiplied together give a square (9801000000 = 99000²).

The spelling of 9900000099 in words is "nine billion, nine hundred million, ninety-nine", and thus it is an aban number.