243044042344441 has 16 divisors (see below), whose sum is σ = 275518784094400. Its totient is φ = 212538016093248.

The previous prime is 243044042344421. The next prime is 243044042344457. The reversal of 243044042344441 is 144443240440342.

It is a cyclic number.

It is not a de Polignac number, because 243044042344441 - 2²¹ = 243044040247289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243044042344421) 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, 15162415 + ... + 26757931.

It is an arithmetic number, because the mean of its divisors is an integer number (17219924005900).

Almost surely, 2^{243044042344441} is an apocalyptic number.

It is an amenable number.

243044042344441 is a deficient number, since it is larger than the sum of its proper divisors (32474741749959).

243044042344441 is a wasteful number, since it uses less digits than its factorization.

243044042344441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11680408.

The product of its (nonzero) digits is 2359296, while the sum is 43.

Adding to 243044042344441 its reverse (144443240440342), we get a palindrome (387487282784783).

The spelling of 243044042344441 in words is "two hundred forty-three trillion, forty-four billion, forty-two million, three hundred forty-four thousand, four hundred forty-one".