411745909 has 2 divisors, whose sum is σ = 411745910. Its totient is φ = 411745908.

The previous prime is 411745889. The next prime is 411745921. The reversal of 411745909 is 909547114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401000625 + 10745284 = 20025^2 + 3278^2 .

It is a cyclic number.

It is not a de Polignac number, because 411745909 - 2⁵ = 411745877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (411745949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205872954 + 205872955.

It is an arithmetic number, because the mean of its divisors is an integer number (205872955).

Almost surely, 2^411745909 is an apocalyptic number.

It is an amenable number.

411745909 is a deficient number, since it is larger than the sum of its proper divisors (1).

411745909 is an equidigital number, since it uses as much as digits as its factorization.

411745909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 411745909 is about 20291.5230823120. The cubic root of 411745909 is about 743.9488856905.

The spelling of 411745909 in words is "four hundred eleven million, seven hundred forty-five thousand, nine hundred nine".