320580175609 has 4 divisors (see below), whose sum is σ = 320925257460. Its totient is φ = 320235093760.

The previous prime is 320580175589. The next prime is 320580175651. The reversal of 320580175609 is 906571085023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 906571085023 = 79103 ⋅11460641.

It can be written as a sum of positive squares in 2 ways, for example, as 42584449600 + 277995726009 = 206360^2 + 527253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320580175609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320580178609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172539532 + ... + 172541389.

It is an arithmetic number, because the mean of its divisors is an integer number (80231314365).

Almost surely, 2^320580175609 is an apocalyptic number.

It is an amenable number.

320580175609 is a deficient number, since it is larger than the sum of its proper divisors (345081851).

320580175609 is an equidigital number, since it uses as much as digits as its factorization.

320580175609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345081850.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 320580175609 in words is "three hundred twenty billion, five hundred eighty million, one hundred seventy-five thousand, six hundred nine".