242441443655605 has 4 divisors (see below), whose sum is σ = 290929732386732. Its totient is φ = 193953154924480.

The previous prime is 242441443655507. The next prime is 242441443655611. The reversal of 242441443655605 is 506556344144242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115472582997489 + 126968860658116 = 10745817^2 + 11268046^2 .

It is not a de Polignac number, because 242441443655605 - 2²⁹ = 242440906784693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24244144365556 + ... + 24244144365565.

It is an arithmetic number, because the mean of its divisors is an integer number (72732433096683).

Almost surely, 2^{242441443655605} is an apocalyptic number.

It is an amenable number.

242441443655605 is a deficient number, since it is larger than the sum of its proper divisors (48488288731127).

242441443655605 is an equidigital number, since it uses as much as digits as its factorization.

242441443655605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48488288731126.

The product of its (nonzero) digits is 55296000, while the sum is 55.

Adding to 242441443655605 its reverse (506556344144242), we get a palindrome (748997787799847).

The spelling of 242441443655605 in words is "two hundred forty-two trillion, four hundred forty-one billion, four hundred forty-three million, six hundred fifty-five thousand, six hundred five".