68061796273 has 2 divisors, whose sum is σ = 68061796274. Its totient is φ = 68061796272.

The previous prime is 68061796261. The next prime is 68061796303. The reversal of 68061796273 is 37269716086.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52885281024 + 15176515249 = 229968^2 + 123193^2 .

It is a cyclic number.

It is not a de Polignac number, because 68061796273 - 2⁹ = 68061795761 is a prime.

It is a super-2 number, since 2×68061796273² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68061796223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34030898136 + 34030898137.

It is an arithmetic number, because the mean of its divisors is an integer number (34030898137).

Almost surely, 2^68061796273 is an apocalyptic number.

It is an amenable number.

68061796273 is a deficient number, since it is larger than the sum of its proper divisors (1).

68061796273 is an equidigital number, since it uses as much as digits as its factorization.

68061796273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 68061796273 in words is "sixty-eight billion, sixty-one million, seven hundred ninety-six thousand, two hundred seventy-three".