10002002209 has 2 divisors, whose sum is σ = 10002002210. Its totient is φ = 10002002208.

The previous prime is 10002002177. The next prime is 10002002239. The reversal of 10002002209 is 90220020001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5354580625 + 4647421584 = 73175^2 + 68172^2 .

It is a cyclic number.

It is not a de Polignac number, because 10002002209 - 2⁵ = 10002002177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10002002192 and 10002002201.

It is not a weakly prime, because it can be changed into another prime (10002002239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001001104 + 5001001105.

It is an arithmetic number, because the mean of its divisors is an integer number (5001001105).

Almost surely, 2^10002002209 is an apocalyptic number.

It is an amenable number.

10002002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10002002209 is an equidigital number, since it uses as much as digits as its factorization.

10002002209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 10002002209 in words is "ten billion, two million, two thousand, two hundred nine".