13405501445443 has 8 divisors (see below), whose sum is σ = 13427341398720. Its totient is φ = 13383662084520.

The previous prime is 13405501445389. The next prime is 13405501445507. The reversal of 13405501445443 is 34454410550431.

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 13405501445443 - 2²⁹ = 13404964574531 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 13405501445443.

It is not an unprimeable number, because it can be changed into a prime (13405501443443) 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, 83045496 + ... + 83206762.

It is an arithmetic number, because the mean of its divisors is an integer number (1678417674840).

Almost surely, 2^{13405501445443} is an apocalyptic number.

13405501445443 is a deficient number, since it is larger than the sum of its proper divisors (21839953277).

13405501445443 is a wasteful number, since it uses less digits than its factorization.

13405501445443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296177.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 13405501445443 its reverse (34454410550431), we get a palindrome (47859911995874).

The spelling of 13405501445443 in words is "thirteen trillion, four hundred five billion, five hundred one million, four hundred forty-five thousand, four hundred forty-three".