413268809 has 2 divisors, whose sum is σ = 413268810. Its totient is φ = 413268808.

The previous prime is 413268803. The next prime is 413268811. The reversal of 413268809 is 908862314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408161209 + 5107600 = 20203^2 + 2260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413268809 is a prime.

It is a super-2 number, since 2×413268809² = 341582216984556962, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 413268811, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (413268803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206634404 + 206634405.

It is an arithmetic number, because the mean of its divisors is an integer number (206634405).

Almost surely, 2^413268809 is an apocalyptic number.

It is an amenable number.

413268809 is a deficient number, since it is larger than the sum of its proper divisors (1).

413268809 is an equidigital number, since it uses as much as digits as its factorization.

413268809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 413268809 is about 20329.0139701856. The cubic root of 413268809 is about 744.8649569801.

The spelling of 413268809 in words is "four hundred thirteen million, two hundred sixty-eight thousand, eight hundred nine".