100000009984717 has 2 divisors, whose sum is σ = 100000009984718. Its totient is φ = 100000009984716.

The previous prime is 100000009984691. The next prime is 100000009984813. The reversal of 100000009984717 is 717489900000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97605033984676 + 2394976000041 = 9879526^2 + 1547571^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000009984717 - 2¹¹ = 100000009982669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100000009981717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000004992358 + 50000004992359.

It is an arithmetic number, because the mean of its divisors is an integer number (50000004992359).

Almost surely, 2^{100000009984717} is an apocalyptic number.

It is an amenable number.

100000009984717 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000009984717 is an equidigital number, since it uses as much as digits as its factorization.

100000009984717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 46.

Adding to 100000009984717 its reverse (717489900000001), we get a palindrome (817489909984718).

The spelling of 100000009984717 in words is "one hundred trillion, nine million, nine hundred eighty-four thousand, seven hundred seventeen".