506537363663 has 2 divisors, whose sum is σ = 506537363664. Its totient is φ = 506537363662.

The previous prime is 506537363609. The next prime is 506537363747. The reversal of 506537363663 is 366363735605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506537363663 - 2⁶ = 506537363599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506537363063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253268681831 + 253268681832.

It is an arithmetic number, because the mean of its divisors is an integer number (253268681832).

Almost surely, 2^506537363663 is an apocalyptic number.

506537363663 is a deficient number, since it is larger than the sum of its proper divisors (1).

506537363663 is an equidigital number, since it uses as much as digits as its factorization.

506537363663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18370800, while the sum is 53.

The spelling of 506537363663 in words is "five hundred six billion, five hundred thirty-seven million, three hundred sixty-three thousand, six hundred sixty-three".