13444452543 has 8 divisors (see below), whose sum is σ = 18229766400. Its totient is φ = 8811053528.

The previous prime is 13444452517. The next prime is 13444452563. The reversal of 13444452543 is 34525444431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13444452543 - 2⁶ = 13444452479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444452563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37978503 + ... + 37978856.

It is an arithmetic number, because the mean of its divisors is an integer number (2278720800).

Almost surely, 2^13444452543 is an apocalyptic number.

13444452543 is a deficient number, since it is larger than the sum of its proper divisors (4785313857).

13444452543 is an equidigital number, since it uses as much as digits as its factorization.

13444452543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75957421.

The product of its digits is 460800, while the sum is 39.

Adding to 13444452543 its reverse (34525444431), we get a palindrome (47969896974).

The spelling of 13444452543 in words is "thirteen billion, four hundred forty-four million, four hundred fifty-two thousand, five hundred forty-three".