679368058769993 has 2 divisors, whose sum is σ = 679368058769994. Its totient is φ = 679368058769992.

The previous prime is 679368058769977. The next prime is 679368058770001. The reversal of 679368058769993 is 399967850863976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679346535532729 + 21523237264 = 26064277^2 + 146708^2 .

It is a cyclic number.

It is not a de Polignac number, because 679368058769993 - 2⁴ = 679368058769977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 679368058769896 and 679368058769905.

It is not a weakly prime, because it can be changed into another prime (679368058769923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339684029384996 + 339684029384997.

It is an arithmetic number, because the mean of its divisors is an integer number (339684029384997).

Almost surely, 2^{679368058769993} is an apocalyptic number.

It is an amenable number.

679368058769993 is a deficient number, since it is larger than the sum of its proper divisors (1).

679368058769993 is an equidigital number, since it uses as much as digits as its factorization.

679368058769993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 199991877120, while the sum is 95.

The spelling of 679368058769993 in words is "six hundred seventy-nine trillion, three hundred sixty-eight billion, fifty-eight million, seven hundred sixty-nine thousand, nine hundred ninety-three".