1716728298797 has 2 divisors, whose sum is σ = 1716728298798. Its totient is φ = 1716728298796.

The previous prime is 1716728298787. The next prime is 1716728298827. The reversal of 1716728298797 is 7978928276171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1629998637796 + 86729661001 = 1276714^2 + 294499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1716728298797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1716728298787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858364149398 + 858364149399.

It is an arithmetic number, because the mean of its divisors is an integer number (858364149399).

Almost surely, 2^{1716728298797} is an apocalyptic number.

It is an amenable number.

1716728298797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1716728298797 is an equidigital number, since it uses as much as digits as its factorization.

1716728298797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 298722816, while the sum is 74.

The spelling of 1716728298797 in words is "one trillion, seven hundred sixteen billion, seven hundred twenty-eight million, two hundred ninety-eight thousand, seven hundred ninety-seven".