409470831809 has 32 divisors (see below), whose sum is σ = 468478133760. Its totient is φ = 354776889600.

The previous prime is 409470831799. The next prime is 409470831811. The reversal of 409470831809 is 908138074904.

It is a cyclic number.

It is not a de Polignac number, because 409470831809 - 2¹⁶ = 409470766273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409470831839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12098699 + ... + 12132495.

It is an arithmetic number, because the mean of its divisors is an integer number (14639941680).

Almost surely, 2^409470831809 is an apocalyptic number.

It is an amenable number.

409470831809 is a deficient number, since it is larger than the sum of its proper divisors (59007301951).

409470831809 is a wasteful number, since it uses less digits than its factorization.

409470831809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34281.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 409470831809 in words is "four hundred nine billion, four hundred seventy million, eight hundred thirty-one thousand, eight hundred nine".