68860462943 has 2 divisors, whose sum is σ = 68860462944. Its totient is φ = 68860462942.

The previous prime is 68860462907. The next prime is 68860462981. The reversal of 68860462943 is 34926406886.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68860462943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68860432943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34430231471 + 34430231472.

It is an arithmetic number, because the mean of its divisors is an integer number (34430231472).

Almost surely, 2^68860462943 is an apocalyptic number.

68860462943 is a deficient number, since it is larger than the sum of its proper divisors (1).

68860462943 is an equidigital number, since it uses as much as digits as its factorization.

68860462943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 68860462943 in words is "sixty-eight billion, eight hundred sixty million, four hundred sixty-two thousand, nine hundred forty-three".