13433444243 has 4 divisors (see below), whose sum is σ = 13434913128. Its totient is φ = 13431975360.

The previous prime is 13433444209. The next prime is 13433444273. The reversal of 13433444243 is 34244433431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13433444243 - 2³² = 9138476947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13433444273) 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, 720638 + ... + 739043.

It is an arithmetic number, because the mean of its divisors is an integer number (3358728282).

Almost surely, 2^13433444243 is an apocalyptic number.

13433444243 is a deficient number, since it is larger than the sum of its proper divisors (1468885).

13433444243 is an equidigital number, since it uses as much as digits as its factorization.

13433444243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468884.

The product of its digits is 165888, while the sum is 35.

Adding to 13433444243 its reverse (34244433431), we get a palindrome (47677877674).

The spelling of 13433444243 in words is "thirteen billion, four hundred thirty-three million, four hundred forty-four thousand, two hundred forty-three".