13344421443 has 16 divisors (see below), whose sum is σ = 18302497536. Its totient is φ = 8642077920.

The previous prime is 13344421429. The next prime is 13344421463. The reversal of 13344421443 is 34412444331.

It is not a de Polignac number, because 13344421443 - 2⁶ = 13344421379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13344421463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25221 + ... + 165302.

It is an arithmetic number, because the mean of its divisors is an integer number (1143906096).

Almost surely, 2^13344421443 is an apocalyptic number.

13344421443 is a deficient number, since it is larger than the sum of its proper divisors (4958076093).

13344421443 is a wasteful number, since it uses less digits than its factorization.

13344421443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191194.

The product of its digits is 55296, while the sum is 33.

Adding to 13344421443 its reverse (34412444331), we get a palindrome (47756865774).

The spelling of 13344421443 in words is "thirteen billion, three hundred forty-four million, four hundred twenty-one thousand, four hundred forty-three".