242004238717 has 2 divisors, whose sum is σ = 242004238718. Its totient is φ = 242004238716.

The previous prime is 242004238649. The next prime is 242004238747. The reversal of 242004238717 is 717832400242.

242004238717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175845196921 + 66159041796 = 419339^2 + 257214^2 .

It is a cyclic number.

It is not a de Polignac number, because 242004238717 - 2³¹ = 239856755069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242004238717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242004238747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121002119358 + 121002119359.

It is an arithmetic number, because the mean of its divisors is an integer number (121002119359).

Almost surely, 2^242004238717 is an apocalyptic number.

It is an amenable number.

242004238717 is a deficient number, since it is larger than the sum of its proper divisors (1).

242004238717 is an equidigital number, since it uses as much as digits as its factorization.

242004238717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 40.

Adding to 242004238717 its reverse (717832400242), we get a palindrome (959836638959).

The spelling of 242004238717 in words is "two hundred forty-two billion, four million, two hundred thirty-eight thousand, seven hundred seventeen".