68328438041 has 2 divisors, whose sum is σ = 68328438042. Its totient is φ = 68328438040.

The previous prime is 68328437999. The next prime is 68328438107. The reversal of 68328438041 is 14083482386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44733942016 + 23594496025 = 211504^2 + 153605^2 .

It is a cyclic number.

It is not a de Polignac number, because 68328438041 - 2²⁶ = 68261329177 is a prime.

It is not a weakly prime, because it can be changed into another prime (68328437041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34164219020 + 34164219021.

It is an arithmetic number, because the mean of its divisors is an integer number (34164219021).

Almost surely, 2^68328438041 is an apocalyptic number.

It is an amenable number.

68328438041 is a deficient number, since it is larger than the sum of its proper divisors (1).

68328438041 is an equidigital number, since it uses as much as digits as its factorization.

68328438041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 68328438041 in words is "sixty-eight billion, three hundred twenty-eight million, four hundred thirty-eight thousand, forty-one".