68227129441 has 2 divisors, whose sum is σ = 68227129442. Its totient is φ = 68227129440.

The previous prime is 68227129379. The next prime is 68227129457. The reversal of 68227129441 is 14492172286.

68227129441 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., 63363461841 + 4863667600 = 251721^2 + 69740^2 .

It is a cyclic number.

It is not a de Polignac number, because 68227129441 - 2²⁹ = 67690258529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68227129391 and 68227129400.

It is not a weakly prime, because it can be changed into another prime (68227129471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34113564720 + 34113564721.

It is an arithmetic number, because the mean of its divisors is an integer number (34113564721).

Almost surely, 2^68227129441 is an apocalyptic number.

It is an amenable number.

68227129441 is a deficient number, since it is larger than the sum of its proper divisors (1).

68227129441 is an equidigital number, since it uses as much as digits as its factorization.

68227129441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The spelling of 68227129441 in words is "sixty-eight billion, two hundred twenty-seven million, one hundred twenty-nine thousand, four hundred forty-one".