13649794244 has 6 divisors (see below), whose sum is σ = 23887139934. Its totient is φ = 6824897120.

The previous prime is 13649794243. The next prime is 13649794261. The reversal of 13649794244 is 44249794631.

13649794244 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 only one way, i.e., 10344924100 + 3304870144 = 101710^2 + 57488^2 .

It is not an unprimeable number, because it can be changed into a prime (13649794243) 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 as a sum of consecutive naturals, namely, 1706224277 + ... + 1706224284.

It is an arithmetic number, because the mean of its divisors is an integer number (3981189989).

Almost surely, 2^13649794244 is an apocalyptic number.

It is an amenable number.

13649794244 is a deficient number, since it is larger than the sum of its proper divisors (10237345690).

13649794244 is a wasteful number, since it uses less digits than its factorization.

13649794244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412448565 (or 3412448563 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 53.

The spelling of 13649794244 in words is "thirteen billion, six hundred forty-nine million, seven hundred ninety-four thousand, two hundred forty-four".