10010209 has 6 divisors (see below), whose sum is σ = 11003090. Its totient is φ = 9100080.

The previous prime is 10010177. The next prime is 10010213. The reversal of 10010209 is 90201001.

10010209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8179600 + 1830609 = 2860^2 + 1353^2 .

It is not a de Polignac number, because 10010209 - 2⁵ = 10010177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10010279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41244 + ... + 41485.

Almost surely, 2^10010209 is an apocalyptic number.

It is an amenable number.

10010209 is a deficient number, since it is larger than the sum of its proper divisors (992881).

10010209 is an equidigital number, since it uses as much as digits as its factorization.

10010209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82751 (or 82740 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 10010209 is about 3163.8914330299. The cubic root of 10010209 is about 215.5167594806.

The spelling of 10010209 in words is "ten million, ten thousand, two hundred nine".