13243033344 has 72 divisors (see below), whose sum is σ = 36382807552. Its totient is φ = 4271938560.

The previous prime is 13243033343. The next prime is 13243033351. The reversal of 13243033344 is 44333034231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243033343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254314 + ... + 301929.

Almost surely, 2^13243033344 is an apocalyptic number.

It is an amenable number.

13243033344 is an abundant number, since it is smaller than the sum of its proper divisors (23139774208).

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

13243033344 is an equidigital number, since it uses as much as digits as its factorization.

13243033344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556293 (or 556279 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 13243033344 its reverse (44333034231), we get a palindrome (57576067575).

The spelling of 13243033344 in words is "thirteen billion, two hundred forty-three million, thirty-three thousand, three hundred forty-four".