573442809 has 8 divisors (see below), whose sum is σ = 765272160. Its totient is φ = 381954336.

The previous prime is 573442799. The next prime is 573442811. The reversal of 573442809 is 908244375.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 573442809 - 2⁵ = 573442777 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (573442879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81267 + ... + 88040.

It is an arithmetic number, because the mean of its divisors is an integer number (95659020).

Almost surely, 2^573442809 is an apocalyptic number.

It is an amenable number.

573442809 is a deficient number, since it is larger than the sum of its proper divisors (191829351).

573442809 is a wasteful number, since it uses less digits than its factorization.

573442809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170439.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 573442809 is about 23946.6659265961. The cubic root of 573442809 is about 830.8004128524.

The spelling of 573442809 in words is "five hundred seventy-three million, four hundred forty-two thousand, eight hundred nine".