409095473 has 4 divisors (see below), whose sum is σ = 417799680. Its totient is φ = 400391268.

The previous prime is 409095413. The next prime is 409095481. The reversal of 409095473 is 374590904.

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 409095473 - 2⁶ = 409095409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 409095473.

It is not an unprimeable number, because it can be changed into a prime (409095413) 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, 4352033 + ... + 4352126.

It is an arithmetic number, because the mean of its divisors is an integer number (104449920).

Almost surely, 2^409095473 is an apocalyptic number.

It is an amenable number.

409095473 is a deficient number, since it is larger than the sum of its proper divisors (8704207).

409095473 is an equidigital number, since it uses as much as digits as its factorization.

409095473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8704206.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 409095473 is about 20226.1086964349. The cubic root of 409095473 is about 742.3491653235.

The spelling of 409095473 in words is "four hundred nine million, ninety-five thousand, four hundred seventy-three".