243052204393 has 2 divisors, whose sum is σ = 243052204394. Its totient is φ = 243052204392.

The previous prime is 243052204391. The next prime is 243052204459. The reversal of 243052204393 is 393402250342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227669259609 + 15382944784 = 477147^2 + 124028^2 .

It is a cyclic number.

It is not a de Polignac number, because 243052204393 - 2¹ = 243052204391 is a prime.

Together with 243052204391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (243052204391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121526102196 + 121526102197.

It is an arithmetic number, because the mean of its divisors is an integer number (121526102197).

Almost surely, 2^243052204393 is an apocalyptic number.

It is an amenable number.

243052204393 is a deficient number, since it is larger than the sum of its proper divisors (1).

243052204393 is an equidigital number, since it uses as much as digits as its factorization.

243052204393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 243052204393 in words is "two hundred forty-three billion, fifty-two million, two hundred four thousand, three hundred ninety-three".