68179587713 has 2 divisors, whose sum is σ = 68179587714. Its totient is φ = 68179587712.

The previous prime is 68179587691. The next prime is 68179587719. The reversal of 68179587713 is 31778597186.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41332109809 + 26847477904 = 203303^2 + 163852^2 .

It is a cyclic number.

It is not a de Polignac number, because 68179587713 - 2²⁰ = 68178539137 is a prime.

It is not a weakly prime, because it can be changed into another prime (68179587719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34089793856 + 34089793857.

It is an arithmetic number, because the mean of its divisors is an integer number (34089793857).

Almost surely, 2^68179587713 is an apocalyptic number.

It is an amenable number.

68179587713 is a deficient number, since it is larger than the sum of its proper divisors (1).

68179587713 is an equidigital number, since it uses as much as digits as its factorization.

68179587713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17781120, while the sum is 62.

The spelling of 68179587713 in words is "sixty-eight billion, one hundred seventy-nine million, five hundred eighty-seven thousand, seven hundred thirteen".