12736068609 has 8 divisors (see below), whose sum is σ = 18525190752. Its totient is φ = 7718829440.

The previous prime is 12736068577. The next prime is 12736068629. The reversal of 12736068609 is 90686063721.

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 12736068609 - 2⁵ = 12736068577 is a prime.

It is a super-2 number, since 2×12736068609² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12736068629) 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, 192970704 + ... + 192970769.

It is an arithmetic number, because the mean of its divisors is an integer number (2315648844).

Almost surely, 2^12736068609 is an apocalyptic number.

It is an amenable number.

12736068609 is a deficient number, since it is larger than the sum of its proper divisors (5789122143).

12736068609 is a wasteful number, since it uses less digits than its factorization.

12736068609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385941487.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 12736068609 in words is "twelve billion, seven hundred thirty-six million, sixty-eight thousand, six hundred nine".