68844764841271 has 2 divisors, whose sum is σ = 68844764841272. Its totient is φ = 68844764841270.

The previous prime is 68844764841253. The next prime is 68844764841287. The reversal of 68844764841271 is 17214846744886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68844764841271 - 2¹³ = 68844764833079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68844764841271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68844764841571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34422382420635 + 34422382420636.

It is an arithmetic number, because the mean of its divisors is an integer number (34422382420636).

Almost surely, 2^{68844764841271} is an apocalyptic number.

68844764841271 is a deficient number, since it is larger than the sum of its proper divisors (1).

68844764841271 is an equidigital number, since it uses as much as digits as its factorization.

68844764841271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 462422016, while the sum is 70.

The spelling of 68844764841271 in words is "sixty-eight trillion, eight hundred forty-four billion, seven hundred sixty-four million, eight hundred forty-one thousand, two hundred seventy-one".