990099990099 has 96 divisors (see below), whose sum is σ = 1609009092288. Its totient is φ = 581644800000.

The previous prime is 990099990091. The next prime is 990099990151.

990099990099 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 990099990099 - 2³ = 990099990091 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (990099990091) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 99995049 + ... + 100004949.

It is an arithmetic number, because the mean of its divisors is an integer number (16760511378).

Almost surely, 2^990099990099 is an apocalyptic number.

990099990099 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

990099990099 is a deficient number, since it is larger than the sum of its proper divisors (618909102189).

990099990099 is a wasteful number, since it uses less digits than its factorization.

990099990099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229 (or 10226 counting only the distinct ones).

The product of its (nonzero) digits is 43046721, while the sum is 72.

It can be divided in two parts, 9900 and 99990099, that added together give a palindrome (99999999).

The spelling of 990099990099 in words is "nine hundred ninety billion, ninety-nine million, nine hundred ninety thousand, ninety-nine".