13707647209 has 8 divisors (see below), whose sum is σ = 13968847872. Its totient is φ = 13446541680.

The previous prime is 13707647189. The next prime is 13707647221. The reversal of 13707647209 is 90274670731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13707647209 - 2²¹ = 13705550057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13707647279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311742 + ... + 352984.

It is an arithmetic number, because the mean of its divisors is an integer number (1746105984).

Almost surely, 2^13707647209 is an apocalyptic number.

It is an amenable number.

13707647209 is a deficient number, since it is larger than the sum of its proper divisors (261200663).

13707647209 is an equidigital number, since it uses as much as digits as its factorization.

13707647209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47567.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 13707647209 in words is "thirteen billion, seven hundred seven million, six hundred forty-seven thousand, two hundred nine".