12344566689 has 48 divisors (see below), whose sum is σ = 22140273792. Its totient is φ = 6453748224.

The previous prime is 12344566681. The next prime is 12344566723. The reversal of 12344566689 is 98666544321.

It is not a de Polignac number, because 12344566689 - 2³ = 12344566681 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12344566681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25854 + ... + 159240.

It is an arithmetic number, because the mean of its divisors is an integer number (461255704).

Almost surely, 2^12344566689 is an apocalyptic number.

It is an amenable number.

12344566689 is a deficient number, since it is larger than the sum of its proper divisors (9795707103).

12344566689 is a wasteful number, since it uses less digits than its factorization.

12344566689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133526 (or 133523 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 12344566689 in words is "twelve billion, three hundred forty-four million, five hundred sixty-six thousand, six hundred eighty-nine".