504530325309 has 4 divisors (see below), whose sum is σ = 672707100416. Its totient is φ = 336353550204.

The previous prime is 504530325301. The next prime is 504530325311. The reversal of 504530325309 is 903523035405.

It is a happy number.

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 not a de Polignac number, because 504530325309 - 2³ = 504530325301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504530325301) 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, 84088387549 + ... + 84088387554.

It is an arithmetic number, because the mean of its divisors is an integer number (168176775104).

Almost surely, 2^504530325309 is an apocalyptic number.

It is an amenable number.

504530325309 is a deficient number, since it is larger than the sum of its proper divisors (168176775107).

504530325309 is a wasteful number, since it uses less digits than its factorization.

504530325309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168176775106.

The product of its (nonzero) digits is 243000, while the sum is 39.

The spelling of 504530325309 in words is "five hundred four billion, five hundred thirty million, three hundred twenty-five thousand, three hundred nine".