12344456677889 has 8 divisors (see below), whose sum is σ = 14166979572480. Its totient is φ = 10536691054176.

The previous prime is 12344456677867. The next prime is 12344456677909. The reversal of 12344456677889 is 98877665444321.

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

It is a de Polignac number, because none of the positive numbers 2^k-12344456677889 is a prime.

It is a super-2 number, since 2×12344456677889² (a number of 27 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12344456677829) 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 7 ways as a sum of consecutive naturals, for example, 3689315924 + ... + 3689319269.

It is an arithmetic number, because the mean of its divisors is an integer number (1770872446560).

Almost surely, 2^{12344456677889} is an apocalyptic number.

It is an amenable number.

12344456677889 is a deficient number, since it is larger than the sum of its proper divisors (1822522894591).

12344456677889 is an equidigital number, since it uses as much as digits as its factorization.

12344456677889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378635439.

The product of its digits is 1950842880, while the sum is 74.

The spelling of 12344456677889 in words is "twelve trillion, three hundred forty-four billion, four hundred fifty-six million, six hundred seventy-seven thousand, eight hundred eighty-nine".