243404003244241 has 16 divisors (see below), whose sum is σ = 282800192351488. Its totient is φ = 205165407902400.

The previous prime is 243404003244173. The next prime is 243404003244293. The reversal of 243404003244241 is 142442300404342.

It is a cyclic number.

It is not a de Polignac number, because 243404003244241 - 2¹⁹ = 243404002719953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243404003244241.

It is not an unprimeable number, because it can be changed into a prime (243404003245241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62550990 + ... + 66328231.

It is an arithmetic number, because the mean of its divisors is an integer number (17675012021968).

Almost surely, 2^{243404003244241} is an apocalyptic number.

It is an amenable number.

243404003244241 is a deficient number, since it is larger than the sum of its proper divisors (39396189107247).

243404003244241 is a wasteful number, since it uses less digits than its factorization.

243404003244241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128883712.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 243404003244241 its reverse (142442300404342), we get a palindrome (385846303648583).

The spelling of 243404003244241 in words is "two hundred forty-three trillion, four hundred four billion, three million, two hundred forty-four thousand, two hundred forty-one".