13662642009 has 8 divisors (see below), whose sum is σ = 18229451200. Its totient is φ = 9102130416.

The previous prime is 13662641947. The next prime is 13662642013. The reversal of 13662642009 is 90024626631.

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

It is not a de Polignac number, because 13662642009 - 2²⁰ = 13661593433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13662642029) 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, 1569334 + ... + 1578015.

It is an arithmetic number, because the mean of its divisors is an integer number (2278681400).

Almost surely, 2^13662642009 is an apocalyptic number.

It is an amenable number.

13662642009 is a deficient number, since it is larger than the sum of its proper divisors (4566809191).

13662642009 is a wasteful number, since it uses less digits than its factorization.

13662642009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3148799.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 13662642009 in words is "thirteen billion, six hundred sixty-two million, six hundred forty-two thousand, nine".