243035912393 has 2 divisors, whose sum is σ = 243035912394. Its totient is φ = 243035912392.

The previous prime is 243035912381. The next prime is 243035912411. The reversal of 243035912393 is 393219530342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235897690249 + 7138222144 = 485693^2 + 84488^2 .

It is a cyclic number.

It is not a de Polignac number, because 243035912393 - 2¹⁰ = 243035911369 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (243035914393) 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, 121517956196 + 121517956197.

It is an arithmetic number, because the mean of its divisors is an integer number (121517956197).

Almost surely, 2^243035912393 is an apocalyptic number.

It is an amenable number.

243035912393 is a deficient number, since it is larger than the sum of its proper divisors (1).

243035912393 is an equidigital number, since it uses as much as digits as its factorization.

243035912393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 44.

The spelling of 243035912393 in words is "two hundred forty-three billion, thirty-five million, nine hundred twelve thousand, three hundred ninety-three".