13405422353443 has 4 divisors (see below), whose sum is σ = 13405490737360. Its totient is φ = 13405353969528.

The previous prime is 13405422353441. The next prime is 13405422353459. The reversal of 13405422353443 is 34435322450431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13405422353443 - 2¹ = 13405422353441 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 13405422353443.

It is not an unprimeable number, because it can be changed into a prime (13405422353441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33897063 + ... + 34290256.

It is an arithmetic number, because the mean of its divisors is an integer number (3351372684340).

Almost surely, 2^{13405422353443} is an apocalyptic number.

13405422353443 is a deficient number, since it is larger than the sum of its proper divisors (68383917).

13405422353443 is an equidigital number, since it uses as much as digits as its factorization.

13405422353443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68383916.

The product of its (nonzero) digits is 2073600, while the sum is 43.

The spelling of 13405422353443 in words is "thirteen trillion, four hundred five billion, four hundred twenty-two million, three hundred fifty-three thousand, four hundred forty-three".