68051840440841 has 4 divisors (see below), whose sum is σ = 68058776730384. Its totient is φ = 68044904151300.

The previous prime is 68051840440813. The next prime is 68051840440847. The reversal of 68051840440841 is 14804404815086.

It is a happy number.

68051840440841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68051840440841 - 2¹⁴ = 68051840424457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68051840440847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3468130055 + ... + 3468149676.

It is an arithmetic number, because the mean of its divisors is an integer number (17014694182596).

Almost surely, 2^{68051840440841} is an apocalyptic number.

It is an amenable number.

68051840440841 is a deficient number, since it is larger than the sum of its proper divisors (6936289543).

68051840440841 is an equidigital number, since it uses as much as digits as its factorization.

68051840440841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936289542.

The product of its (nonzero) digits is 3932160, while the sum is 53.

The spelling of 68051840440841 in words is "sixty-eight trillion, fifty-one billion, eight hundred forty million, four hundred forty thousand, eight hundred forty-one".