11434421263 has 2 divisors, whose sum is σ = 11434421264. Its totient is φ = 11434421262.

The previous prime is 11434421209. The next prime is 11434421267. The reversal of 11434421263 is 36212443411.

11434421263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (36212443411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11434421263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11434421267) 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, 5717210631 + 5717210632.

It is an arithmetic number, because the mean of its divisors is an integer number (5717210632).

Almost surely, 2^11434421263 is an apocalyptic number.

11434421263 is a deficient number, since it is larger than the sum of its proper divisors (1).

11434421263 is an equidigital number, since it uses as much as digits as its factorization.

11434421263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

Adding to 11434421263 its reverse (36212443411), we get a palindrome (47646864674).

The spelling of 11434421263 in words is "eleven billion, four hundred thirty-four million, four hundred twenty-one thousand, two hundred sixty-three".