8843373668643 has 4 divisors (see below), whose sum is σ = 11791164891528. Its totient is φ = 5895582445760.

The previous prime is 8843373668629. The next prime is 8843373668663. The reversal of 8843373668643 is 3468663733488.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8843373668643 - 2¹² = 8843373664547 is a prime.

It is a super-2 number, since 2×8843373668643² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8843373668663) 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, 1473895611438 + ... + 1473895611443.

It is an arithmetic number, because the mean of its divisors is an integer number (2947791222882).

Almost surely, 2^{8843373668643} is an apocalyptic number.

8843373668643 is a deficient number, since it is larger than the sum of its proper divisors (2947791222885).

8843373668643 is a wasteful number, since it uses less digits than its factorization.

8843373668643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947791222884.

The product of its digits is 1003290624, while the sum is 69.

The spelling of 8843373668643 in words is "eight trillion, eight hundred forty-three billion, three hundred seventy-three million, six hundred sixty-eight thousand, six hundred forty-three".