243035912437 has 2 divisors, whose sum is σ = 243035912438. Its totient is φ = 243035912436.

The previous prime is 243035912429. The next prime is 243035912473. The reversal of 243035912437 is 734219530342.

243035912437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (243035912473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184797674161 + 58238238276 = 429881^2 + 241326^2 .

It is a cyclic number.

It is not a de Polignac number, because 243035912437 - 2³ = 243035912429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243035912393 and 243035912402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243035912417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121517956218 + 121517956219.

It is an arithmetic number, because the mean of its divisors is an integer number (121517956219).

Almost surely, 2^243035912437 is an apocalyptic number.

It is an amenable number.

243035912437 is a deficient number, since it is larger than the sum of its proper divisors (1).

243035912437 is an equidigital number, since it uses as much as digits as its factorization.

243035912437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 243035912437 in words is "two hundred forty-three billion, thirty-five million, nine hundred twelve thousand, four hundred thirty-seven".