68380841 has 2 divisors, whose sum is σ = 68380842. Its totient is φ = 68380840.

The previous prime is 68380831. The next prime is 68380849. The reversal of 68380841 is 14808386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65674816 + 2706025 = 8104^2 + 1645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68380841 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68380795 and 68380804.

It is not a weakly prime, because it can be changed into another prime (68380849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34190420 + 34190421.

It is an arithmetic number, because the mean of its divisors is an integer number (34190421).

Almost surely, 2^68380841 is an apocalyptic number.

It is an amenable number.

68380841 is a deficient number, since it is larger than the sum of its proper divisors (1).

68380841 is an equidigital number, since it uses as much as digits as its factorization.

68380841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 68380841 is about 8269.2708868437. The cubic root of 68380841 is about 408.9260830507.

The spelling of 68380841 in words is "sixty-eight million, three hundred eighty thousand, eight hundred forty-one".