11243210969 has 2 divisors, whose sum is σ = 11243210970. Its totient is φ = 11243210968.

The previous prime is 11243210963. The next prime is 11243210971. The reversal of 11243210969 is 96901234211.

11243210969 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 can be written as a sum of positive squares in only one way, i.e., 7632643225 + 3610567744 = 87365^2 + 60088^2 .

It is an emirp because it is prime and its reverse (96901234211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11243210969 is a prime.

It is a super-2 number, since 2×11243210969² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 11243210971, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11243210963) 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, 5621605484 + 5621605485.

It is an arithmetic number, because the mean of its divisors is an integer number (5621605485).

Almost surely, 2^11243210969 is an apocalyptic number.

It is an amenable number.

11243210969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243210969 is an equidigital number, since it uses as much as digits as its factorization.

11243210969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 11243210969 in words is "eleven billion, two hundred forty-three million, two hundred ten thousand, nine hundred sixty-nine".