506634222613 has 2 divisors, whose sum is σ = 506634222614. Its totient is φ = 506634222612.

The previous prime is 506634222583. The next prime is 506634222623. The reversal of 506634222613 is 316222436605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354141629604 + 152492593009 = 595098^2 + 390503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506634222613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506634222623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253317111306 + 253317111307.

It is an arithmetic number, because the mean of its divisors is an integer number (253317111307).

Almost surely, 2^506634222613 is an apocalyptic number.

It is an amenable number.

506634222613 is a deficient number, since it is larger than the sum of its proper divisors (1).

506634222613 is an equidigital number, since it uses as much as digits as its factorization.

506634222613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 506634222613 in words is "five hundred six billion, six hundred thirty-four million, two hundred twenty-two thousand, six hundred thirteen".