243104004289 has 2 divisors, whose sum is σ = 243104004290. Its totient is φ = 243104004288.

The previous prime is 243104004263. The next prime is 243104004293. The reversal of 243104004289 is 982400401342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169463955600 + 73640048689 = 411660^2 + 271367^2 .

It is a cyclic number.

It is not a de Polignac number, because 243104004289 - 2⁵ = 243104004257 is a prime.

It is a super-2 number, since 2×243104004289² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243104004589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121552002144 + 121552002145.

It is an arithmetic number, because the mean of its divisors is an integer number (121552002145).

Almost surely, 2^243104004289 is an apocalyptic number.

It is an amenable number.

243104004289 is a deficient number, since it is larger than the sum of its proper divisors (1).

243104004289 is an equidigital number, since it uses as much as digits as its factorization.

243104004289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 243104004289 in words is "two hundred forty-three billion, one hundred four million, four thousand, two hundred eighty-nine".