12889288269 has 32 divisors (see below), whose sum is σ = 22433577600. Its totient is φ = 7210788480.

The previous prime is 12889288249. The next prime is 12889288271. The reversal of 12889288269 is 96288298821.

12889288269 is a `hidden beast` number, since 1 + 288 + 92 + 8 + 8 + 269 = 666.

It is not a de Polignac number, because 12889288269 - 2³³ = 4299353677 is a prime.

It is a super-2 number, since 2×12889288269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889288219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1665304 + ... + 1673025.

It is an arithmetic number, because the mean of its divisors is an integer number (701049300).

Almost surely, 2^12889288269 is an apocalyptic number.

It is an amenable number.

12889288269 is a deficient number, since it is larger than the sum of its proper divisors (9544289331).

12889288269 is a wasteful number, since it uses less digits than its factorization.

12889288269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338362 (or 3338356 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 63.

The spelling of 12889288269 in words is "twelve billion, eight hundred eighty-nine million, two hundred eighty-eight thousand, two hundred sixty-nine".