12344444556789 has 4 divisors (see below), whose sum is σ = 16459259409056. Its totient is φ = 8229629704524.

The previous prime is 12344444556749. The next prime is 12344444556793. The reversal of 12344444556789 is 98765544444321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12344444556789 - 2⁸ = 12344444556533 is a prime.

It is a super-3 number, since 3×12344444556789³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344444556749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057407426129 + ... + 2057407426134.

It is an arithmetic number, because the mean of its divisors is an integer number (4114814852264).

Almost surely, 2^{12344444556789} is an apocalyptic number.

It is an amenable number.

12344444556789 is a deficient number, since it is larger than the sum of its proper divisors (4114814852267).

12344444556789 is an equidigital number, since it uses as much as digits as its factorization.

12344444556789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114814852266.

The product of its digits is 464486400, while the sum is 66.

The spelling of 12344444556789 in words is "twelve trillion, three hundred forty-four billion, four hundred forty-four million, five hundred fifty-six thousand, seven hundred eighty-nine".