12674657249 has 4 divisors (see below), whose sum is σ = 12681222960. Its totient is φ = 12668091540.

The previous prime is 12674657243. The next prime is 12674657291. The reversal of 12674657249 is 94275647621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12674657249 - 2³² = 8379689953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12674657249.

It is not an unprimeable number, because it can be changed into a prime (12674657243) 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 3 ways as a sum of consecutive naturals, for example, 3279959 + ... + 3283820.

It is an arithmetic number, because the mean of its divisors is an integer number (3170305740).

Almost surely, 2^12674657249 is an apocalyptic number.

It is an amenable number.

12674657249 is a deficient number, since it is larger than the sum of its proper divisors (6565711).

12674657249 is an equidigital number, since it uses as much as digits as its factorization.

12674657249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565710.

The product of its digits is 5080320, while the sum is 53.

The spelling of 12674657249 in words is "twelve billion, six hundred seventy-four million, six hundred fifty-seven thousand, two hundred forty-nine".