12775636869 has 8 divisors (see below), whose sum is σ = 17034827040. Its totient is φ = 8516768976.

The previous prime is 12775636843. The next prime is 12775636873. The reversal of 12775636869 is 96863657721.

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

It is not a de Polignac number, because 12775636869 - 2²⁰ = 12774588293 is a prime.

It is a super-2 number, since 2×12775636869² (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 (12775636169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36042 + ... + 163860.

It is an arithmetic number, because the mean of its divisors is an integer number (2129353380).

Almost surely, 2^12775636869 is an apocalyptic number.

It is an amenable number.

12775636869 is a deficient number, since it is larger than the sum of its proper divisors (4259190171).

12775636869 is a wasteful number, since it uses less digits than its factorization.

12775636869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161139.

The product of its digits is 22861440, while the sum is 60.

The spelling of 12775636869 in words is "twelve billion, seven hundred seventy-five million, six hundred thirty-six thousand, eight hundred sixty-nine".