4473189809 has 16 divisors (see below), whose sum is σ = 4991778816. Its totient is φ = 3974216400.

The previous prime is 4473189769. The next prime is 4473189827. The reversal of 4473189809 is 9089813744.

It is a de Polignac number, because none of the positive numbers 2^k-4473189809 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4473189869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69704 + ... + 117494.

It is an arithmetic number, because the mean of its divisors is an integer number (311986176).

Almost surely, 2^4473189809 is an apocalyptic number.

It is an amenable number.

4473189809 is a deficient number, since it is larger than the sum of its proper divisors (518589007).

4473189809 is a wasteful number, since it uses less digits than its factorization.

4473189809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47996.

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

The square root of 4473189809 is about 66881.9094299796. The cubic root of 4473189809 is about 1647.6783766557.

The spelling of 4473189809 in words is "four billion, four hundred seventy-three million, one hundred eighty-nine thousand, eight hundred nine".