13443334236 has 96 divisors (see below), whose sum is σ = 35642880000. Its totient is φ = 4379828544.

The previous prime is 13443334217. The next prime is 13443334237. The reversal of 13443334236 is 63243334431.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13443334236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443334237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5272690 + ... + 5275238.

It is an arithmetic number, because the mean of its divisors is an integer number (371280000).

Almost surely, 2^13443334236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13443334236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17821440000).

13443334236 is an abundant number, since it is smaller than the sum of its proper divisors (22199545764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13443334236 is a wasteful number, since it uses less digits than its factorization.

13443334236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648 (or 3640 counting only the distinct ones).

The product of its digits is 186624, while the sum is 36.

Adding to 13443334236 its reverse (63243334431), we get a palindrome (76686668667).

The spelling of 13443334236 in words is "thirteen billion, four hundred forty-three million, three hundred thirty-four thousand, two hundred thirty-six".