506239684667 has 2 divisors, whose sum is σ = 506239684668. Its totient is φ = 506239684666.

The previous prime is 506239684661. The next prime is 506239684681. The reversal of 506239684667 is 766486932605.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506239684667 - 2⁸ = 506239684411 is a prime.

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, 253119842333 + 253119842334.

It is an arithmetic number, because the mean of its divisors is an integer number (253119842334).

Almost surely, 2^506239684667 is an apocalyptic number.

506239684667 is a deficient number, since it is larger than the sum of its proper divisors (1).

506239684667 is an equidigital number, since it uses as much as digits as its factorization.

506239684667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 62.

The spelling of 506239684667 in words is "five hundred six billion, two hundred thirty-nine million, six hundred eighty-four thousand, six hundred sixty-seven".