243432574841 has 2 divisors, whose sum is σ = 243432574842. Its totient is φ = 243432574840.

The previous prime is 243432574829. The next prime is 243432574867. The reversal of 243432574841 is 148475234342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243122955625 + 309619216 = 493075^2 + 17596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243432574841 is a prime.

It is not a weakly prime, because it can be changed into another prime (243432504841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121716287420 + 121716287421.

It is an arithmetic number, because the mean of its divisors is an integer number (121716287421).

Almost surely, 2^243432574841 is an apocalyptic number.

It is an amenable number.

243432574841 is a deficient number, since it is larger than the sum of its proper divisors (1).

243432574841 is an equidigital number, since it uses as much as digits as its factorization.

243432574841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 47.

The spelling of 243432574841 in words is "two hundred forty-three billion, four hundred thirty-two million, five hundred seventy-four thousand, eight hundred forty-one".