13443545541 has 8 divisors (see below), whose sum is σ = 18109518784. Its totient is φ = 8869968000.

The previous prime is 13443545491. The next prime is 13443545561. The reversal of 13443545541 is 14554534431.

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

It is not a de Polignac number, because 13443545541 - 2¹⁷ = 13443414469 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 13443545541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443545561) 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, 23098585 + ... + 23099166.

It is an arithmetic number, because the mean of its divisors is an integer number (2263689848).

Almost surely, 2^13443545541 is an apocalyptic number.

It is an amenable number.

13443545541 is a deficient number, since it is larger than the sum of its proper divisors (4665973243).

13443545541 is an equidigital number, since it uses as much as digits as its factorization.

13443545541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46197851.

The product of its digits is 288000, while the sum is 39.

The spelling of 13443545541 in words is "thirteen billion, four hundred forty-three million, five hundred forty-five thousand, five hundred forty-one".