12441403441 has 4 divisors (see below), whose sum is σ = 12591299952. Its totient is φ = 12291506932.

The previous prime is 12441403423. The next prime is 12441403451. The reversal of 12441403441 is 14430414421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12441403441 - 2⁷ = 12441403313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12441403421) 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 in 3 ways as a sum of consecutive naturals, for example, 74948131 + ... + 74948296.

It is an arithmetic number, because the mean of its divisors is an integer number (3147824988).

Almost surely, 2^12441403441 is an apocalyptic number.

It is an amenable number.

12441403441 is a deficient number, since it is larger than the sum of its proper divisors (149896511).

12441403441 is an equidigital number, since it uses as much as digits as its factorization.

12441403441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149896510.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 12441403441 its reverse (14430414421), we get a palindrome (26871817862).

The spelling of 12441403441 in words is "twelve billion, four hundred forty-one million, four hundred three thousand, four hundred forty-one".