12866868469 has 8 divisors (see below), whose sum is σ = 15836145920. Its totient is φ = 10180379376.

The previous prime is 12866868467. The next prime is 12866868491. The reversal of 12866868469 is 96486866821.

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

It is a cyclic number.

It is not a de Polignac number, because 12866868469 - 2¹ = 12866868467 is a prime.

It is a super-2 number, since 2×12866868469² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12866868469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12866868467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70696989 + ... + 70697170.

It is an arithmetic number, because the mean of its divisors is an integer number (1979518240).

Almost surely, 2^12866868469 is an apocalyptic number.

It is an amenable number.

12866868469 is a deficient number, since it is larger than the sum of its proper divisors (2969277451).

12866868469 is a wasteful number, since it uses less digits than its factorization.

12866868469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141394179.

The product of its digits is 47775744, while the sum is 64.

The spelling of 12866868469 in words is "twelve billion, eight hundred sixty-six million, eight hundred sixty-eight thousand, four hundred sixty-nine".