68938846307 has 2 divisors, whose sum is σ = 68938846308. Its totient is φ = 68938846306.

The previous prime is 68938846303. The next prime is 68938846337. The reversal of 68938846307 is 70364883986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68938846307 - 2² = 68938846303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68938846307.

It is not a weakly prime, because it can be changed into another prime (68938846303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34469423153 + 34469423154.

It is an arithmetic number, because the mean of its divisors is an integer number (34469423154).

Almost surely, 2^68938846307 is an apocalyptic number.

68938846307 is a deficient number, since it is larger than the sum of its proper divisors (1).

68938846307 is an equidigital number, since it uses as much as digits as its factorization.

68938846307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 68938846307 in words is "sixty-eight billion, nine hundred thirty-eight million, eight hundred forty-six thousand, three hundred seven".