68411291843 has 2 divisors, whose sum is σ = 68411291844. Its totient is φ = 68411291842.

The previous prime is 68411291749. The next prime is 68411291849. The reversal of 68411291843 is 34819211486.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68411291843 - 2²⁸ = 68142856387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (68411291849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34205645921 + 34205645922.

It is an arithmetic number, because the mean of its divisors is an integer number (34205645922).

Almost surely, 2^68411291843 is an apocalyptic number.

68411291843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68411291843 is an equidigital number, since it uses as much as digits as its factorization.

68411291843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 47.

The spelling of 68411291843 in words is "sixty-eight billion, four hundred eleven million, two hundred ninety-one thousand, eight hundred forty-three".