6789561122889 has 24 divisors (see below), whose sum is σ = 10149434592960. Its totient is φ = 4368520302048.

The previous prime is 6789561122867. The next prime is 6789561122917. The reversal of 6789561122889 is 9882211659876.

It is not a de Polignac number, because 6789561122889 - 2¹² = 6789561118793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6789561122809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4628437 + ... + 5916210.

It is an arithmetic number, because the mean of its divisors is an integer number (422893108040).

Almost surely, 2^{6789561122889} is an apocalyptic number.

It is an amenable number.

6789561122889 is a deficient number, since it is larger than the sum of its proper divisors (3359873470071).

6789561122889 is a wasteful number, since it uses less digits than its factorization.

6789561122889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10547149 (or 10547146 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 72.

The spelling of 6789561122889 in words is "six trillion, seven hundred eighty-nine billion, five hundred sixty-one million, one hundred twenty-two thousand, eight hundred eighty-nine".