13443505522043 has 16 divisors (see below), whose sum is σ = 14133935173632. Its totient is φ = 12770813160000.

The previous prime is 13443505522033. The next prime is 13443505522049. The reversal of 13443505522043 is 34022550534431.

It is a cyclic number.

It is not a de Polignac number, because 13443505522043 - 2²⁰ = 13443504473467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443505522049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13599683 + ... + 14554668.

It is an arithmetic number, because the mean of its divisors is an integer number (883370948352).

Almost surely, 2^{13443505522043} is an apocalyptic number.

13443505522043 is a deficient number, since it is larger than the sum of its proper divisors (690429651589).

13443505522043 is a wasteful number, since it uses less digits than its factorization.

13443505522043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28154666.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 13443505522043 in words is "thirteen trillion, four hundred forty-three billion, five hundred five million, five hundred twenty-two thousand, forty-three".