13706729005 has 4 divisors (see below), whose sum is σ = 16448074812. Its totient is φ = 10965383200.

The previous prime is 13706728993. The next prime is 13706729033. The reversal of 13706729005 is 50092760731.

13706729005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50092760731 = 13 ⋅3853289287.

It can be written as a sum of positive squares in 2 ways, for example, as 9800604004 + 3906125001 = 98998^2 + 62499^2 .

It is not a de Polignac number, because 13706729005 - 2⁹ = 13706728493 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1370672896 + ... + 1370672905.

It is an arithmetic number, because the mean of its divisors is an integer number (4112018703).

Almost surely, 2^13706729005 is an apocalyptic number.

It is an amenable number.

13706729005 is a deficient number, since it is larger than the sum of its proper divisors (2741345807).

13706729005 is an equidigital number, since it uses as much as digits as its factorization.

13706729005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741345806.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 13706729005 in words is "thirteen billion, seven hundred six million, seven hundred twenty-nine thousand, five".