11443430417 has 2 divisors, whose sum is σ = 11443430418. Its totient is φ = 11443430416.

The previous prime is 11443430321. The next prime is 11443430429. The reversal of 11443430417 is 71403434411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10974448081 + 468982336 = 104759^2 + 21656^2 .

It is a cyclic number.

It is not a de Polignac number, because 11443430417 - 2⁸ = 11443430161 is a prime.

It is not a weakly prime, because it can be changed into another prime (11443430437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5721715208 + 5721715209.

It is an arithmetic number, because the mean of its divisors is an integer number (5721715209).

Almost surely, 2^11443430417 is an apocalyptic number.

It is an amenable number.

11443430417 is a deficient number, since it is larger than the sum of its proper divisors (1).

11443430417 is an equidigital number, since it uses as much as digits as its factorization.

11443430417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 11443430417 its reverse (71403434411), we get a palindrome (82846864828).

The spelling of 11443430417 in words is "eleven billion, four hundred forty-three million, four hundred thirty thousand, four hundred seventeen".