13728741065 has 32 divisors (see below), whose sum is σ = 18435766272. Its totient is φ = 9745920000.

The previous prime is 13728741001. The next prime is 13728741067. The reversal of 13728741065 is 56014782731.

It is not a de Polignac number, because 13728741065 - 2⁶ = 13728741001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13728741067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281705 + ... + 326825.

It is an arithmetic number, because the mean of its divisors is an integer number (576117696).

Almost surely, 2^13728741065 is an apocalyptic number.

It is an amenable number.

13728741065 is a deficient number, since it is larger than the sum of its proper divisors (4707025207).

13728741065 is a wasteful number, since it uses less digits than its factorization.

13728741065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45321.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 13728741065 in words is "thirteen billion, seven hundred twenty-eight million, seven hundred forty-one thousand, sixty-five".