12829874649 has 16 divisors (see below), whose sum is σ = 17375195712. Its totient is φ = 8419647168.

The previous prime is 12829874647. The next prime is 12829874657. The reversal of 12829874649 is 94647892821.

It is not a de Polignac number, because 12829874649 - 2¹ = 12829874647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12829874592 and 12829874601.

It is not an unprimeable number, because it can be changed into a prime (12829874641) 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, 24034 + ... + 161979.

It is an arithmetic number, because the mean of its divisors is an integer number (1085949732).

Almost surely, 2^12829874649 is an apocalyptic number.

It is an amenable number.

12829874649 is a deficient number, since it is larger than the sum of its proper divisors (4545321063).

12829874649 is a wasteful number, since it uses less digits than its factorization.

12829874649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186376.

The product of its digits is 13934592, while the sum is 60.

The spelling of 12829874649 in words is "twelve billion, eight hundred twenty-nine million, eight hundred seventy-four thousand, six hundred forty-nine".