13709666667 has 4 divisors (see below), whose sum is σ = 18279555560. Its totient is φ = 9139777776.

The previous prime is 13709666653. The next prime is 13709666689. The reversal of 13709666667 is 76666690731.

13709666667 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.

It is not a de Polignac number, because 13709666667 - 2⁷ = 13709666539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13709666617) 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 3 ways as a sum of consecutive naturals, for example, 2284944442 + ... + 2284944447.

It is an arithmetic number, because the mean of its divisors is an integer number (4569888890).

Almost surely, 2^13709666667 is an apocalyptic number.

13709666667 is a deficient number, since it is larger than the sum of its proper divisors (4569888893).

13709666667 is an equidigital number, since it uses as much as digits as its factorization.

13709666667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569888892.

The product of its (nonzero) digits is 10287648, while the sum is 57.

The spelling of 13709666667 in words is "thirteen billion, seven hundred nine million, six hundred sixty-six thousand, six hundred sixty-seven".