10206896209 has 4 divisors (see below), whose sum is σ = 10234260916. Its totient is φ = 10179531504.

The previous prime is 10206896179. The next prime is 10206896221. The reversal of 10206896209 is 90269860201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4125235984 + 6081660225 = 64228^2 + 77985^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206896209 - 2¹³ = 10206888017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10206896239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13681794 + ... + 13682539.

It is an arithmetic number, because the mean of its divisors is an integer number (2558565229).

Almost surely, 2^10206896209 is an apocalyptic number.

It is an amenable number.

10206896209 is a deficient number, since it is larger than the sum of its proper divisors (27364707).

10206896209 is an equidigital number, since it uses as much as digits as its factorization.

10206896209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27364706.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 10206896209 in words is "ten billion, two hundred six million, eight hundred ninety-six thousand, two hundred nine".