13444414772 has 12 divisors (see below), whose sum is σ = 23534532420. Its totient is φ = 6720262656.

The previous prime is 13444414771. The next prime is 13444414807. The reversal of 13444414772 is 27741444431.

It is a happy number.

13444414772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5131716496 + 8312698276 = 71636^2 + 91174^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444414771) 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 3 ways as a sum of consecutive naturals, for example, 470573 + ... + 498324.

It is an arithmetic number, because the mean of its divisors is an integer number (1961211035).

Almost surely, 2^13444414772 is an apocalyptic number.

It is an amenable number.

13444414772 is a deficient number, since it is larger than the sum of its proper divisors (10090117648).

13444414772 is a wasteful number, since it uses less digits than its factorization.

13444414772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972370 (or 972368 counting only the distinct ones).

The product of its digits is 301056, while the sum is 41.

The spelling of 13444414772 in words is "thirteen billion, four hundred forty-four million, four hundred fourteen thousand, seven hundred seventy-two".