411804109 has 2 divisors, whose sum is σ = 411804110. Its totient is φ = 411804108.

The previous prime is 411804103. The next prime is 411804139. The reversal of 411804109 is 901408114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242674084 + 169130025 = 15578^2 + 13005^2 .

It is a cyclic number.

It is not a de Polignac number, because 411804109 - 2³ = 411804101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411804101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205902054 + 205902055.

It is an arithmetic number, because the mean of its divisors is an integer number (205902055).

Almost surely, 2^411804109 is an apocalyptic number.

It is an amenable number.

411804109 is a deficient number, since it is larger than the sum of its proper divisors (1).

411804109 is an equidigital number, since it uses as much as digits as its factorization.

411804109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 411804109 is about 20292.9571280284. The cubic root of 411804109 is about 743.9839362595.

The spelling of 411804109 in words is "four hundred eleven million, eight hundred four thousand, one hundred nine".