12869774829 has 20 divisors (see below), whose sum is σ = 19232049760. Its totient is φ = 8576801640.

The previous prime is 12869774791. The next prime is 12869774851. The reversal of 12869774829 is 92847796821.

12869774829 is a `hidden beast` number, since 1 + 2 + 86 + 9 + 77 + 482 + 9 = 666.

It is not a de Polignac number, because 12869774829 - 2⁸ = 12869774573 is a prime.

It is a super-2 number, since 2×12869774829² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12869774329) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 213912 + ... + 267390.

It is an arithmetic number, because the mean of its divisors is an integer number (961602488).

Almost surely, 2^12869774829 is an apocalyptic number.

It is an amenable number.

12869774829 is a deficient number, since it is larger than the sum of its proper divisors (6362274931).

12869774829 is an equidigital number, since it uses as much as digits as its factorization.

12869774829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56462 (or 56453 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The spelling of 12869774829 in words is "twelve billion, eight hundred sixty-nine million, seven hundred seventy-four thousand, eight hundred twenty-nine".