12535044443 has 2 divisors, whose sum is σ = 12535044444. Its totient is φ = 12535044442.

The previous prime is 12535044437. The next prime is 12535044491. The reversal of 12535044443 is 34444053521.

It is a weak prime.

It is an emirp because it is prime and its reverse (34444053521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12535044443 - 2¹⁰ = 12535043419 is a prime.

It is not a weakly prime, because it can be changed into another prime (12535047443) 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, 6267522221 + 6267522222.

It is an arithmetic number, because the mean of its divisors is an integer number (6267522222).

Almost surely, 2^12535044443 is an apocalyptic number.

12535044443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535044443 is an equidigital number, since it uses as much as digits as its factorization.

12535044443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 12535044443 its reverse (34444053521), we get a palindrome (46979097964).

The spelling of 12535044443 in words is "twelve billion, five hundred thirty-five million, forty-four thousand, four hundred forty-three".