3209130873 has 32 divisors (see below), whose sum is σ = 5170730880. Its totient is φ = 1955275200.

The previous prime is 3209130871. The next prime is 3209130889. The reversal of 3209130873 is 3780319023.

It is a happy number.

It is not a de Polignac number, because 3209130873 - 2¹ = 3209130871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3209130871) 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, 9811 + ... + 80712.

It is an arithmetic number, because the mean of its divisors is an integer number (161585340).

Almost surely, 2^3209130873 is an apocalyptic number.

It is an amenable number.

3209130873 is a deficient number, since it is larger than the sum of its proper divisors (1961600007).

3209130873 is a wasteful number, since it uses less digits than its factorization.

3209130873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90646 (or 90640 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3209130873 is about 56649.1912828418. The cubic root of 3209130873 is about 1475.0128694463.

Adding to 3209130873 its reverse (3780319023), we get a palindrome (6989449896).

The spelling of 3209130873 in words is "three billion, two hundred nine million, one hundred thirty thousand, eight hundred seventy-three".