243404003244293 has 2 divisors, whose sum is σ = 243404003244294. Its totient is φ = 243404003244292.

The previous prime is 243404003244173. The next prime is 243404003244323. The reversal of 243404003244293 is 392442300404342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152398852170049 + 91005151074244 = 12344993^2 + 9539662^2 .

It is a cyclic number.

It is not a de Polignac number, because 243404003244293 - 2¹⁴ = 243404003227909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243404003444293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121702001622146 + 121702001622147.

It is an arithmetic number, because the mean of its divisors is an integer number (121702001622147).

Almost surely, 2^{243404003244293} is an apocalyptic number.

It is an amenable number.

243404003244293 is a deficient number, since it is larger than the sum of its proper divisors (1).

243404003244293 is an equidigital number, since it uses as much as digits as its factorization.

243404003244293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1990656, while the sum is 44.

The spelling of 243404003244293 in words is "two hundred forty-three trillion, four hundred four billion, three million, two hundred forty-four thousand, two hundred ninety-three".