409133085 has 16 divisors (see below), whose sum is σ = 683074944. Its totient is φ = 208716992.

The previous prime is 409133077. The next prime is 409133107. The reversal of 409133085 is 580331904.

It is a cyclic number.

It is not a de Polignac number, because 409133085 - 2³ = 409133077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592602 + ... + 593291.

It is an arithmetic number, because the mean of its divisors is an integer number (42692184).

Almost surely, 2^409133085 is an apocalyptic number.

It is an amenable number.

409133085 is a deficient number, since it is larger than the sum of its proper divisors (273941859).

409133085 is a wasteful number, since it uses less digits than its factorization.

409133085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185924.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 409133085 is about 20227.0384634034. The cubic root of 409133085 is about 742.3719150099.

Adding to 409133085 its reverse (580331904), we get a palindrome (989464989).

The spelling of 409133085 in words is "four hundred nine million, one hundred thirty-three thousand, eighty-five".