12334566789 has 16 divisors (see below), whose sum is σ = 18277800640. Its totient is φ = 8221078800.

The previous prime is 12334566709. The next prime is 12334566809. The reversal of 12334566789 is 98766543321.

12334566789 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 4 + 566 + 78 + 9 = 666.

It is not a de Polignac number, because 12334566789 - 2¹⁶ = 12334501253 is a prime.

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 (12334566709) 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, 65214 + ... + 170064.

It is an arithmetic number, because the mean of its divisors is an integer number (1142362540).

Almost surely, 2^12334566789 is an apocalyptic number.

It is an amenable number.

12334566789 is a deficient number, since it is larger than the sum of its proper divisors (5943233851).

12334566789 is a wasteful number, since it uses less digits than its factorization.

12334566789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109217 (or 109211 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 12334566789 in words is "twelve billion, three hundred thirty-four million, five hundred sixty-six thousand, seven hundred eighty-nine".