68336206480873 has 2 divisors, whose sum is σ = 68336206480874. Its totient is φ = 68336206480872.

The previous prime is 68336206480771. The next prime is 68336206480903. The reversal of 68336206480873 is 37808460263386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37710308920384 + 30625897560489 = 6140872^2 + 5534067^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68336206480873 is a prime.

It is not a weakly prime, because it can be changed into another prime (68336206480273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34168103240436 + 34168103240437.

It is an arithmetic number, because the mean of its divisors is an integer number (34168103240437).

Almost surely, 2^{68336206480873} is an apocalyptic number.

It is an amenable number.

68336206480873 is a deficient number, since it is larger than the sum of its proper divisors (1).

68336206480873 is an equidigital number, since it uses as much as digits as its factorization.

68336206480873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 167215104, while the sum is 64.

The spelling of 68336206480873 in words is "sixty-eight trillion, three hundred thirty-six billion, two hundred six million, four hundred eighty thousand, eight hundred seventy-three".