13444234133 has 6 divisors (see below), whose sum is σ = 14777546742. Its totient is φ = 12222030920.

The previous prime is 13444234121. The next prime is 13444234157. The reversal of 13444234133 is 33143244431.

It can be written as a sum of positive squares in only one way, i.e., 13221090289 + 223143844 = 114983^2 + 14938^2 .

It is not a de Polignac number, because 13444234133 - 2⁸ = 13444233877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13444234133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444233133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55554566 + ... + 55554807.

It is an arithmetic number, because the mean of its divisors is an integer number (2462924457).

Almost surely, 2^13444234133 is an apocalyptic number.

It is an amenable number.

13444234133 is a deficient number, since it is larger than the sum of its proper divisors (1333312609).

13444234133 is a wasteful number, since it uses less digits than its factorization.

13444234133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111109395 (or 111109384 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

Adding to 13444234133 its reverse (33143244431), we get a palindrome (46587478564).

The spelling of 13444234133 in words is "thirteen billion, four hundred forty-four million, two hundred thirty-four thousand, one hundred thirty-three".