9009900099009 has 32 divisors (see below), whose sum is σ = 13355867424000. Its totient is φ = 6003060958080.

The previous prime is 9009900099001. The next prime is 9009900099017.

9009900099009 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (9009900099001) and next prime (9009900099017).

It is not a de Polignac number, because 9009900099009 - 2³ = 9009900099001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9009900099001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358790364 + ... + 358815474.

It is an arithmetic number, because the mean of its divisors is an integer number (417370857000).

Almost surely, 2^{9009900099009} is an apocalyptic number.

It is an amenable number.

9009900099009 is a deficient number, since it is larger than the sum of its proper divisors (4345967324991).

9009900099009 is a wasteful number, since it uses less digits than its factorization.

9009900099009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32422 (or 32416 counting only the distinct ones).

The product of its (nonzero) digits is 531441, while the sum is 54.

The spelling of 9009900099009 in words is "nine trillion, nine billion, nine hundred million, ninety-nine thousand, nine".