243341140202089 has 2 divisors, whose sum is σ = 243341140202090. Its totient is φ = 243341140202088.

The previous prime is 243341140202051. The next prime is 243341140202273. The reversal of 243341140202089 is 980202041143342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153142110003600 + 90199030198489 = 12375060^2 + 9497317^2 .

It is a cyclic number.

It is not a de Polignac number, because 243341140202089 - 2¹⁷ = 243341140071017 is a prime.

It is not a weakly prime, because it can be changed into another prime (243341140202029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121670570101044 + 121670570101045.

It is an arithmetic number, because the mean of its divisors is an integer number (121670570101045).

Almost surely, 2^{243341140202089} is an apocalyptic number.

It is an amenable number.

243341140202089 is a deficient number, since it is larger than the sum of its proper divisors (1).

243341140202089 is an equidigital number, since it uses as much as digits as its factorization.

243341140202089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 243341140202089 in words is "two hundred forty-three trillion, three hundred forty-one billion, one hundred forty million, two hundred two thousand, eighty-nine".