68031467843 has 2 divisors, whose sum is σ = 68031467844. Its totient is φ = 68031467842.

The previous prime is 68031467839. The next prime is 68031467869. The reversal of 68031467843 is 34876413086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68031467843 - 2² = 68031467839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68031467791 and 68031467800.

It is not a weakly prime, because it can be changed into another prime (68031467873) 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 as a sum of consecutive naturals, namely, 34015733921 + 34015733922.

It is an arithmetic number, because the mean of its divisors is an integer number (34015733922).

Almost surely, 2^68031467843 is an apocalyptic number.

68031467843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68031467843 is an equidigital number, since it uses as much as digits as its factorization.

68031467843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 68031467843 in words is "sixty-eight billion, thirty-one million, four hundred sixty-seven thousand, eight hundred forty-three".