11443434427 has 2 divisors, whose sum is σ = 11443434428. Its totient is φ = 11443434426.

The previous prime is 11443434413. The next prime is 11443434449. The reversal of 11443434427 is 72443434411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11443434427 - 2²³ = 11435045819 is a prime.

It is not a weakly prime, because it can be changed into another prime (11443434127) 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, 5721717213 + 5721717214.

It is an arithmetic number, because the mean of its divisors is an integer number (5721717214).

Almost surely, 2^11443434427 is an apocalyptic number.

11443434427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11443434427 is an equidigital number, since it uses as much as digits as its factorization.

11443434427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 37.

Adding to 11443434427 its reverse (72443434411), we get a palindrome (83886868838).

The spelling of 11443434427 in words is "eleven billion, four hundred forty-three million, four hundred thirty-four thousand, four hundred twenty-seven".