47717613895729 has 2 divisors, whose sum is σ = 47717613895730. Its totient is φ = 47717613895728.

The previous prime is 47717613895607. The next prime is 47717613895789. The reversal of 47717613895729 is 92759831671774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35383188934129 + 12334424961600 = 5948377^2 + 3512040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47717613895729 is a prime.

It is not a weakly prime, because it can be changed into another prime (47717613895789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23858806947864 + 23858806947865.

It is an arithmetic number, because the mean of its divisors is an integer number (23858806947865).

Almost surely, 2^{47717613895729} is an apocalyptic number.

It is an amenable number.

47717613895729 is a deficient number, since it is larger than the sum of its proper divisors (1).

47717613895729 is an equidigital number, since it uses as much as digits as its factorization.

47717613895729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120210560, while the sum is 76.

The spelling of 47717613895729 in words is "forty-seven trillion, seven hundred seventeen billion, six hundred thirteen million, eight hundred ninety-five thousand, seven hundred twenty-nine".