12716632909 has 8 divisors (see below), whose sum is σ = 13494438720. Its totient is φ = 11957569536.

The previous prime is 12716632889. The next prime is 12716632921. The reversal of 12716632909 is 90923661721.

It is a happy number.

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 12716632909 - 2⁷ = 12716632781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12716632969) 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, 4684212 + ... + 4686925.

It is an arithmetic number, because the mean of its divisors is an integer number (1686804840).

Almost surely, 2^12716632909 is an apocalyptic number.

It is an amenable number.

12716632909 is a deficient number, since it is larger than the sum of its proper divisors (777805811).

12716632909 is an equidigital number, since it uses as much as digits as its factorization.

12716632909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371219.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 12716632909 in words is "twelve billion, seven hundred sixteen million, six hundred thirty-two thousand, nine hundred nine".