1712646542017 has 2 divisors, whose sum is σ = 1712646542018. Its totient is φ = 1712646542016.

The previous prime is 1712646542011. The next prime is 1712646542041. The reversal of 1712646542017 is 7102456462171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1293414896656 + 419231645361 = 1137284^2 + 647481^2 .

It is a cyclic number.

It is not a de Polignac number, because 1712646542017 - 2⁷ = 1712646541889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1712646542011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856323271008 + 856323271009.

It is an arithmetic number, because the mean of its divisors is an integer number (856323271009).

Almost surely, 2^{1712646542017} is an apocalyptic number.

It is an amenable number.

1712646542017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1712646542017 is an equidigital number, since it uses as much as digits as its factorization.

1712646542017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

It can be divided in two parts, 171264 and 6542017, that added together give a square (6713281 = 2591²).

The spelling of 1712646542017 in words is "one trillion, seven hundred twelve billion, six hundred forty-six million, five hundred forty-two thousand, seventeen".