12344445567789 has 8 divisors (see below), whose sum is σ = 16524835502112. Its totient is φ = 8196843006000.

The previous prime is 12344445567763. The next prime is 12344445567821. The reversal of 12344445567789 is 98776554444321.

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

It is not a de Polignac number, because 12344445567789 - 2⁷ = 12344445567661 is a prime.

It is a super-3 number, since 3×12344445567789³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 (12344445567989) 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, 8196842254 + ... + 8196843759.

It is an arithmetic number, because the mean of its divisors is an integer number (2065604437764).

Almost surely, 2^{12344445567789} is an apocalyptic number.

It is an amenable number.

12344445567789 is a deficient number, since it is larger than the sum of its proper divisors (4180389934323).

12344445567789 is a wasteful number, since it uses less digits than its factorization.

12344445567789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16393686267.

The product of its digits is 812851200, while the sum is 69.

The spelling of 12344445567789 in words is "twelve trillion, three hundred forty-four billion, four hundred forty-five million, five hundred sixty-seven thousand, seven hundred eighty-nine".