13464443805 has 16 divisors (see below), whose sum is σ = 21555654720. Its totient is φ = 7176855168.

The previous prime is 13464443801. The next prime is 13464443827. The reversal of 13464443805 is 50834446431.

It is a happy number.

13464443805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13464443805 - 2² = 13464443801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13464443801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234640 + ... + 286329.

It is an arithmetic number, because the mean of its divisors is an integer number (1347228420).

Almost surely, 2^13464443805 is an apocalyptic number.

13464443805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13464443805 is a deficient number, since it is larger than the sum of its proper divisors (8091210915).

13464443805 is a wasteful number, since it uses less digits than its factorization.

13464443805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522700.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 13464443805 in words is "thirteen billion, four hundred sixty-four million, four hundred forty-three thousand, eight hundred five".