504931321507 has 4 divisors (see below), whose sum is σ = 507849999840. Its totient is φ = 502012643176.

The previous prime is 504931321483. The next prime is 504931321513. The reversal of 504931321507 is 705123139405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 504931321507 - 2³¹ = 502783837859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504931321507.

It is not an unprimeable number, because it can be changed into a prime (504931321597) 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, 1459338907 + ... + 1459339252.

It is an arithmetic number, because the mean of its divisors is an integer number (126962499960).

Almost surely, 2^504931321507 is an apocalyptic number.

504931321507 is a deficient number, since it is larger than the sum of its proper divisors (2918678333).

504931321507 is a wasteful number, since it uses less digits than its factorization.

504931321507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918678332.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 504931321507 in words is "five hundred four billion, nine hundred thirty-one million, three hundred twenty-one thousand, five hundred seven".