68729532041 has 2 divisors, whose sum is σ = 68729532042. Its totient is φ = 68729532040.

The previous prime is 68729532013. The next prime is 68729532107. The reversal of 68729532041 is 14023592786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42411283600 + 26318248441 = 205940^2 + 162229^2 .

It is a cyclic number.

It is not a de Polignac number, because 68729532041 - 2¹⁸ = 68729269897 is a prime.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34364766020 + 34364766021.

It is an arithmetic number, because the mean of its divisors is an integer number (34364766021).

It is a 2-persistent number, because it is pandigital, and so is 2⋅68729532041 = 137459064082, but 3⋅68729532041 = 206188596123 is not.

Almost surely, 2^68729532041 is an apocalyptic number.

It is an amenable number.

68729532041 is a deficient number, since it is larger than the sum of its proper divisors (1).

68729532041 is an equidigital number, since it uses as much as digits as its factorization.

68729532041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 68729532041 in words is "sixty-eight billion, seven hundred twenty-nine million, five hundred thirty-two thousand, forty-one".