411697609 has 4 divisors (see below), whose sum is σ = 421272016. Its totient is φ = 402123204.

The previous prime is 411697607. The next prime is 411697633. The reversal of 411697609 is 906796114.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 411697609 - 2¹ = 411697607 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 9574363 = 411697609 / (4 + 1 + 1 + 6 + 9 + 7 + 6 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411697603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4787139 + ... + 4787224.

It is an arithmetic number, because the mean of its divisors is an integer number (105318004).

Almost surely, 2^411697609 is an apocalyptic number.

It is an amenable number.

411697609 is a deficient number, since it is larger than the sum of its proper divisors (9574407).

411697609 is an equidigital number, since it uses as much as digits as its factorization.

411697609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9574406.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 411697609 is about 20290.3328952484. The cubic root of 411697609 is about 743.9197948236.

The spelling of 411697609 in words is "four hundred eleven million, six hundred ninety-seven thousand, six hundred nine".