411360809 has 2 divisors, whose sum is σ = 411360810. Its totient is φ = 411360808.

The previous prime is 411360797. The next prime is 411360823. The reversal of 411360809 is 908063114.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270701209 + 140659600 = 16453^2 + 11860^2 .

It is a cyclic number.

It is not a de Polignac number, because 411360809 - 2⁸ = 411360553 is a prime.

It is a super-2 number, since 2×411360809² = 338435430362268962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (411360869) 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, 205680404 + 205680405.

It is an arithmetic number, because the mean of its divisors is an integer number (205680405).

Almost surely, 2^411360809 is an apocalyptic number.

It is an amenable number.

411360809 is a deficient number, since it is larger than the sum of its proper divisors (1).

411360809 is an equidigital number, since it uses as much as digits as its factorization.

411360809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 411360809 is about 20282.0316783107. The cubic root of 411360809 is about 743.7168784629.

The spelling of 411360809 in words is "four hundred eleven million, three hundred sixty thousand, eight hundred nine".