12344555667893 has 16 divisors (see below), whose sum is σ = 12656685888000. Its totient is φ = 12033579909120.

The previous prime is 12344555667889. The next prime is 12344555668033. The reversal of 12344555667893 is 39876655544321.

It is a cyclic number.

It is not a de Polignac number, because 12344555667893 - 2² = 12344555667889 is a prime.

It is a super-2 number, since 2×12344555667893² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344555667823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66030293 + ... + 66216981.

It is an arithmetic number, because the mean of its divisors is an integer number (791042868000).

Almost surely, 2^{12344555667893} is an apocalyptic number.

It is an amenable number.

12344555667893 is a deficient number, since it is larger than the sum of its proper divisors (312130220107).

12344555667893 is a wasteful number, since it uses less digits than its factorization.

12344555667893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189772.

The product of its digits is 653184000, while the sum is 68.

The spelling of 12344555667893 in words is "twelve trillion, three hundred forty-four billion, five hundred fifty-five million, six hundred sixty-seven thousand, eight hundred ninety-three".