201044213717 has 2 divisors, whose sum is σ = 201044213718. Its totient is φ = 201044213716.

The previous prime is 201044213681. The next prime is 201044213729. The reversal of 201044213717 is 717312440102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143725150321 + 57319063396 = 379111^2 + 239414^2 .

It is a cyclic number.

It is not a de Polignac number, because 201044213717 - 2¹⁰ = 201044212693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201044513717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522106858 + 100522106859.

It is an arithmetic number, because the mean of its divisors is an integer number (100522106859).

Almost surely, 2^201044213717 is an apocalyptic number.

It is an amenable number.

201044213717 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044213717 is an equidigital number, since it uses as much as digits as its factorization.

201044213717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

Adding to 201044213717 its reverse (717312440102), we get a palindrome (918356653819).

The spelling of 201044213717 in words is "two hundred one billion, forty-four million, two hundred thirteen thousand, seven hundred seventeen".