841113209 has 2 divisors, whose sum is σ = 841113210. Its totient is φ = 841113208.

The previous prime is 841113191. The next prime is 841113257. The reversal of 841113209 is 902311148.

841113209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 815388025 + 25725184 = 28555^2 + 5072^2 .

It is a cyclic number.

It is not a de Polignac number, because 841113209 - 2²⁰ = 840064633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (841113809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420556604 + 420556605.

It is an arithmetic number, because the mean of its divisors is an integer number (420556605).

Almost surely, 2^841113209 is an apocalyptic number.

It is an amenable number.

841113209 is a deficient number, since it is larger than the sum of its proper divisors (1).

841113209 is an equidigital number, since it uses as much as digits as its factorization.

841113209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 841113209 is about 29001.9518136280. The cubic root of 841113209 is about 943.9554199628.

The spelling of 841113209 in words is "eight hundred forty-one million, one hundred thirteen thousand, two hundred nine".