13226444743 has 4 divisors (see below), whose sum is σ = 13443271768. Its totient is φ = 13009617720.

The previous prime is 13226444719. The next prime is 13226444761. The reversal of 13226444743 is 34744462231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34744462231 = 13463 ⋅2580737.

It is a cyclic number.

It is not a de Polignac number, because 13226444743 - 2¹⁷ = 13226313671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13226444696 and 13226444705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226444773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108413421 + ... + 108413542.

It is an arithmetic number, because the mean of its divisors is an integer number (3360817942).

Almost surely, 2^13226444743 is an apocalyptic number.

13226444743 is a deficient number, since it is larger than the sum of its proper divisors (216827025).

13226444743 is an equidigital number, since it uses as much as digits as its factorization.

13226444743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216827024.

The product of its digits is 387072, while the sum is 40.

The spelling of 13226444743 in words is "thirteen billion, two hundred twenty-six million, four hundred forty-four thousand, seven hundred forty-three".