500306677821 has 12 divisors (see below), whose sum is σ = 745976982400. Its totient is φ = 322778501640.

The previous prime is 500306677813. The next prime is 500306677853. The reversal of 500306677821 is 128776603005.

500306677821 is a `hidden beast` number, since 500 + 3 + 0 + 6 + 67 + 7 + 82 + 1 = 666.

It is not a de Polignac number, because 500306677821 - 2³ = 500306677813 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 (500306672821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 896606671 + ... + 896607228.

Almost surely, 2^500306677821 is an apocalyptic number.

It is an amenable number.

500306677821 is a deficient number, since it is larger than the sum of its proper divisors (245670304579).

500306677821 is a wasteful number, since it uses less digits than its factorization.

500306677821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793213936 (or 1793213933 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 500306677821 in words is "five hundred billion, three hundred six million, six hundred seventy-seven thousand, eight hundred twenty-one".