68205461743 has 2 divisors, whose sum is σ = 68205461744. Its totient is φ = 68205461742.

The previous prime is 68205461719. The next prime is 68205461749. The reversal of 68205461743 is 34716450286.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68205461743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68205461693 and 68205461702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68205461749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34102730871 + 34102730872.

It is an arithmetic number, because the mean of its divisors is an integer number (34102730872).

Almost surely, 2^68205461743 is an apocalyptic number.

68205461743 is a deficient number, since it is larger than the sum of its proper divisors (1).

68205461743 is an equidigital number, since it uses as much as digits as its factorization.

68205461743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 68205461743 in words is "sixty-eight billion, two hundred five million, four hundred sixty-one thousand, seven hundred forty-three".