10000990209 has 12 divisors (see below), whose sum is σ = 15511740144. Its totient is φ = 5714851464.

The previous prime is 10000990189. The next prime is 10000990213. The reversal of 10000990209 is 90209900001.

It is not a de Polignac number, because 10000990209 - 2⁸ = 10000989953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10000990289) 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, 34016827 + ... + 34017120.

It is an arithmetic number, because the mean of its divisors is an integer number (1292645012).

Almost surely, 2^10000990209 is an apocalyptic number.

It is an amenable number.

10000990209 is a deficient number, since it is larger than the sum of its proper divisors (5510749935).

10000990209 is an equidigital number, since it uses as much as digits as its factorization.

10000990209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68033964 (or 68033957 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 30.

The spelling of 10000990209 in words is "ten billion, nine hundred ninety thousand, two hundred nine".