13728117722 has 16 divisors (see below), whose sum is σ = 22486760352. Its totient is φ = 6233784720.

The previous prime is 13728117719. The next prime is 13728117727. The reversal of 13728117722 is 22771182731.

13728117722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13728117722² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13728117722.

It is not an unprimeable number, because it can be changed into a prime (13728117727) 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 7 ways as a sum of consecutive naturals, for example, 291008 + ... + 334875.

It is an arithmetic number, because the mean of its divisors is an integer number (1405422522).

Almost surely, 2^13728117722 is an apocalyptic number.

13728117722 is a deficient number, since it is larger than the sum of its proper divisors (8758642630).

13728117722 is a wasteful number, since it uses less digits than its factorization.

13728117722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626893.

The product of its digits is 65856, while the sum is 41.

The spelling of 13728117722 in words is "thirteen billion, seven hundred twenty-eight million, one hundred seventeen thousand, seven hundred twenty-two".