68476985243 has 2 divisors, whose sum is σ = 68476985244. Its totient is φ = 68476985242.

The previous prime is 68476985191. The next prime is 68476985377. The reversal of 68476985243 is 34258967486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68476985243 - 2⁸ = 68476984987 is a prime.

It is not a weakly prime, because it can be changed into another prime (68476955243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34238492621 + 34238492622.

It is an arithmetic number, because the mean of its divisors is an integer number (34238492622).

Almost surely, 2^68476985243 is an apocalyptic number.

68476985243 is a deficient number, since it is larger than the sum of its proper divisors (1).

68476985243 is an equidigital number, since it uses as much as digits as its factorization.

68476985243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69672960, while the sum is 62.

The spelling of 68476985243 in words is "sixty-eight billion, four hundred seventy-six million, nine hundred eighty-five thousand, two hundred forty-three".