506685463851 has 32 divisors (see below), whose sum is σ = 780338933248. Its totient is φ = 286444200960.

The previous prime is 506685463789. The next prime is 506685463919. The reversal of 506685463851 is 158364586605.

It is not a de Polignac number, because 506685463851 - 2⁶ = 506685463787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506685463791 and 506685463800.

It is not an unprimeable number, because it can be changed into a prime (506685463451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5665341 + ... + 5754081.

It is an arithmetic number, because the mean of its divisors is an integer number (24385591664).

Almost surely, 2^506685463851 is an apocalyptic number.

506685463851 is a deficient number, since it is larger than the sum of its proper divisors (273653469397).

506685463851 is a wasteful number, since it uses less digits than its factorization.

506685463851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91651.

The product of its (nonzero) digits is 20736000, while the sum is 57.

The spelling of 506685463851 in words is "five hundred six billion, six hundred eighty-five million, four hundred sixty-three thousand, eight hundred fifty-one".