12284136549 has 24 divisors (see below), whose sum is σ = 17920723392. Its totient is φ = 8107908480.

The previous prime is 12284136511. The next prime is 12284136559. The reversal of 12284136549 is 94563148221.

12284136549 is a `hidden beast` number, since 1 + 2 + 284 + 1 + 365 + 4 + 9 = 666.

It is not a de Polignac number, because 12284136549 - 2¹⁹ = 12283612261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12284136559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 977194 + ... + 989684.

It is an arithmetic number, because the mean of its divisors is an integer number (746696808).

Almost surely, 2^12284136549 is an apocalyptic number.

It is an amenable number.

12284136549 is a deficient number, since it is larger than the sum of its proper divisors (5636586843).

12284136549 is a wasteful number, since it uses less digits than its factorization.

12284136549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13577 (or 13574 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 12284136549 in words is "twelve billion, two hundred eighty-four million, one hundred thirty-six thousand, five hundred forty-nine".