68305250843 has 2 divisors, whose sum is σ = 68305250844. Its totient is φ = 68305250842.

The previous prime is 68305250837. The next prime is 68305250953. The reversal of 68305250843 is 34805250386.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68305250843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68305250794 and 68305250803.

It is not a weakly prime, because it can be changed into another prime (68304250843) 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, 34152625421 + 34152625422.

It is an arithmetic number, because the mean of its divisors is an integer number (34152625422).

Almost surely, 2^68305250843 is an apocalyptic number.

68305250843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68305250843 is an equidigital number, since it uses as much as digits as its factorization.

68305250843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 68305250843 in words is "sixty-eight billion, three hundred five million, two hundred fifty thousand, eight hundred forty-three".