68329843 has 2 divisors, whose sum is σ = 68329844. Its totient is φ = 68329842.

The previous prime is 68329841. The next prime is 68329867. The reversal of 68329843 is 34892386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68329843 - 2¹ = 68329841 is a prime.

Together with 68329841, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68329843.

It is not a weakly prime, because it can be changed into another prime (68329841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34164921 + 34164922.

It is an arithmetic number, because the mean of its divisors is an integer number (34164922).

Almost surely, 2^68329843 is an apocalyptic number.

68329843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68329843 is an equidigital number, since it uses as much as digits as its factorization.

68329843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The square root of 68329843 is about 8266.1867266594. The cubic root of 68329843 is about 408.8243996036.

The spelling of 68329843 in words is "sixty-eight million, three hundred twenty-nine thousand, eight hundred forty-three".