243242057377441 has 16 divisors (see below), whose sum is σ = 243694742598720. Its totient is φ = 242789742351360.

The previous prime is 243242057377391. The next prime is 243242057377453. The reversal of 243242057377441 is 144773750242342.

243242057377441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243242057377441 - 2²⁵ = 243242023823009 is a prime.

It is a super-2 number, since 2×243242057377441² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243242057374441) 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, 16361199090 + ... + 16361213956.

It is an arithmetic number, because the mean of its divisors is an integer number (15230921412420).

Almost surely, 2^{243242057377441} is an apocalyptic number.

It is an amenable number.

243242057377441 is a deficient number, since it is larger than the sum of its proper divisors (452685221279).

243242057377441 is a wasteful number, since it uses less digits than its factorization.

243242057377441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25344.

The product of its (nonzero) digits is 31610880, while the sum is 55.

The spelling of 243242057377441 in words is "two hundred forty-three trillion, two hundred forty-two billion, fifty-seven million, three hundred seventy-seven thousand, four hundred forty-one".