506870385831 has 16 divisors (see below), whose sum is σ = 753083136000. Its totient is φ = 336939769944.

The previous prime is 506870385811. The next prime is 506870385881. The reversal of 506870385831 is 138583078605.

506870385831 is a `hidden beast` number, since 50 + 6 + 8 + 7 + 0 + 3 + 8 + 583 + 1 = 666.

It is not a de Polignac number, because 506870385831 - 2²² = 506866191527 is a prime.

It is a super-2 number, since 2×506870385831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506870385811) 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 15 ways as a sum of consecutive naturals, for example, 27041031 + ... + 27059768.

It is an arithmetic number, because the mean of its divisors is an integer number (47067696000).

Almost surely, 2^506870385831 is an apocalyptic number.

506870385831 is a deficient number, since it is larger than the sum of its proper divisors (246212750169).

506870385831 is a wasteful number, since it uses less digits than its factorization.

506870385831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54101155 (or 54101149 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 506870385831 in words is "five hundred six billion, eight hundred seventy million, three hundred eighty-five thousand, eight hundred thirty-one".