506565286756 has 9 divisors (see below), whose sum is σ = 886491742899. Its totient is φ = 253281931644.

The previous prime is 506565286741. The next prime is 506565286763. The reversal of 506565286756 is 657682565605.

The square root of 506565286756 is 711734.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506565286694 and 506565286703.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1245535 + ... + 1601401.

Almost surely, 2^506565286756 is an apocalyptic number.

506565286756 is the 711734-th square number.

It is an amenable number.

506565286756 is a deficient number, since it is larger than the sum of its proper divisors (379926456143).

506565286756 is an frugal number, since it uses more digits than its factorization.

506565286756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711738 (or 355869 counting only the distinct ones).

The product of its (nonzero) digits is 90720000, while the sum is 61.

The spelling of 506565286756 in words is "five hundred six billion, five hundred sixty-five million, two hundred eighty-six thousand, seven hundred fifty-six".