243450204041 has 4 divisors (see below), whose sum is σ = 265582040784. Its totient is φ = 221318367300.

The previous prime is 243450203999. The next prime is 243450204047. The reversal of 243450204041 is 140402054342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243450204041 - 2⁶ = 243450203977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243450203995 and 243450204013.

It is not an unprimeable number, because it can be changed into a prime (243450204047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11065918355 + ... + 11065918376.

It is an arithmetic number, because the mean of its divisors is an integer number (66395510196).

Almost surely, 2^243450204041 is an apocalyptic number.

It is an amenable number.

243450204041 is a deficient number, since it is larger than the sum of its proper divisors (22131836743).

243450204041 is a wasteful number, since it uses less digits than its factorization.

243450204041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22131836742.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 243450204041 its reverse (140402054342), we get a palindrome (383852258383).

The spelling of 243450204041 in words is "two hundred forty-three billion, four hundred fifty million, two hundred four thousand, forty-one".