68226254413 has 2 divisors, whose sum is σ = 68226254414. Its totient is φ = 68226254412.

The previous prime is 68226254389. The next prime is 68226254429. The reversal of 68226254413 is 31445262286.

68226254413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41747479684 + 26478774729 = 204322^2 + 162723^2 .

It is a cyclic number.

It is not a de Polignac number, because 68226254413 - 2²⁹ = 67689383501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68226254413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68226254113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34113127206 + 34113127207.

It is an arithmetic number, because the mean of its divisors is an integer number (34113127207).

Almost surely, 2^68226254413 is an apocalyptic number.

It is an amenable number.

68226254413 is a deficient number, since it is larger than the sum of its proper divisors (1).

68226254413 is an equidigital number, since it uses as much as digits as its factorization.

68226254413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 43.

The spelling of 68226254413 in words is "sixty-eight billion, two hundred twenty-six million, two hundred fifty-four thousand, four hundred thirteen".