506320433521 has 16 divisors (see below), whose sum is σ = 620072095104. Its totient is φ = 403538966784.

The previous prime is 506320433519. The next prime is 506320433527. The reversal of 506320433521 is 125334023605.

It is a cyclic number.

It is not a de Polignac number, because 506320433521 - 2¹ = 506320433519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506320433527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25621410 + ... + 25641163.

It is an arithmetic number, because the mean of its divisors is an integer number (38754505944).

Almost surely, 2^506320433521 is an apocalyptic number.

It is an amenable number.

506320433521 is a deficient number, since it is larger than the sum of its proper divisors (113751661583).

506320433521 is a wasteful number, since it uses less digits than its factorization.

506320433521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51262680.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 506320433521 in words is "five hundred six billion, three hundred twenty million, four hundred thirty-three thousand, five hundred twenty-one".