68722589713 has 2 divisors, whose sum is σ = 68722589714. Its totient is φ = 68722589712.

The previous prime is 68722589669. The next prime is 68722589731. The reversal of 68722589713 is 31798522786.

It is a happy number.

Together with next prime (68722589731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35500965889 + 33221623824 = 188417^2 + 182268^2 .

It is a cyclic number.

It is not a de Polignac number, because 68722589713 - 2¹⁷ = 68722458641 is a prime.

It is a super-2 number, since 2×68722589713² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68722589773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34361294856 + 34361294857.

It is an arithmetic number, because the mean of its divisors is an integer number (34361294857).

Almost surely, 2^68722589713 is an apocalyptic number.

It is an amenable number.

68722589713 is a deficient number, since it is larger than the sum of its proper divisors (1).

68722589713 is an equidigital number, since it uses as much as digits as its factorization.

68722589713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 58.

The spelling of 68722589713 in words is "sixty-eight billion, seven hundred twenty-two million, five hundred eighty-nine thousand, seven hundred thirteen".