506128285873823 has 2 divisors, whose sum is σ = 506128285873824. Its totient is φ = 506128285873822.

The previous prime is 506128285873799. The next prime is 506128285873993. The reversal of 506128285873823 is 328378582821605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506128285873823 - 2¹² = 506128285869727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506128287873823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253064142936911 + 253064142936912.

It is an arithmetic number, because the mean of its divisors is an integer number (253064142936912).

Almost surely, 2^{506128285873823} is an apocalyptic number.

506128285873823 is a deficient number, since it is larger than the sum of its proper divisors (1).

506128285873823 is an equidigital number, since it uses as much as digits as its factorization.

506128285873823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 309657600, while the sum is 68.

The spelling of 506128285873823 in words is "five hundred six trillion, one hundred twenty-eight billion, two hundred eighty-five million, eight hundred seventy-three thousand, eight hundred twenty-three".