13728324019 has 12 divisors (see below), whose sum is σ = 14429475216. Its totient is φ = 13036547568.

The previous prime is 13728324013. The next prime is 13728324079. The reversal of 13728324019 is 91042382731.

13728324019 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 13728324019 - 2¹³ = 13728315827 is a prime.

It is a super-2 number, since 2×13728324019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13728324013) 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 11 ways as a sum of consecutive naturals, for example, 428937 + ... + 459829.

It is an arithmetic number, because the mean of its divisors is an integer number (1202456268).

Almost surely, 2^13728324019 is an apocalyptic number.

13728324019 is a deficient number, since it is larger than the sum of its proper divisors (701151197).

13728324019 is an equidigital number, since it uses as much as digits as its factorization.

13728324019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31194 (or 31055 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 13728324019 in words is "thirteen billion, seven hundred twenty-eight million, three hundred twenty-four thousand, nineteen".