505340524196779 has 2 divisors, whose sum is σ = 505340524196780. Its totient is φ = 505340524196778.

The previous prime is 505340524196759. The next prime is 505340524196821. The reversal of 505340524196779 is 977691425043505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505340524196779 - 2³³ = 505331934262187 is a prime.

It is a super-2 number, since 2×505340524196779² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (505340524196759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252670262098389 + 252670262098390.

It is an arithmetic number, because the mean of its divisors is an integer number (252670262098390).

Almost surely, 2^{505340524196779} is an apocalyptic number.

505340524196779 is a deficient number, since it is larger than the sum of its proper divisors (1).

505340524196779 is an equidigital number, since it uses as much as digits as its factorization.

505340524196779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768000, while the sum is 67.

The spelling of 505340524196779 in words is "five hundred five trillion, three hundred forty billion, five hundred twenty-four million, one hundred ninety-six thousand, seven hundred seventy-nine".