506239684631 has 2 divisors, whose sum is σ = 506239684632. Its totient is φ = 506239684630.

The previous prime is 506239684589. The next prime is 506239684661. The reversal of 506239684631 is 136486932605.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 506239684631 - 2²⁶ = 506172575767 is a prime.

It is a super-2 number, since 2×506239684631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506239684661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253119842315 + 253119842316.

It is an arithmetic number, because the mean of its divisors is an integer number (253119842316).

Almost surely, 2^506239684631 is an apocalyptic number.

506239684631 is a deficient number, since it is larger than the sum of its proper divisors (1).

506239684631 is an equidigital number, since it uses as much as digits as its factorization.

506239684631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 506239684631 in words is "five hundred six billion, two hundred thirty-nine million, six hundred eighty-four thousand, six hundred thirty-one".