12628398182409 has 12 divisors (see below), whose sum is σ = 18278170355952. Its totient is φ = 8401785617400.

The previous prime is 12628398182383. The next prime is 12628398182417. The reversal of 12628398182409 is 90428189382621.

12628398182409 is a `hidden beast` number, since 1 + 2 + 6 + 28 + 398 + 182 + 40 + 9 = 666.

It is not a de Polignac number, because 12628398182409 - 2⁵ = 12628398182377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12628398182459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1428870687 + ... + 1428879524.

It is an arithmetic number, because the mean of its divisors is an integer number (1523180862996).

Almost surely, 2^{12628398182409} is an apocalyptic number.

It is an amenable number.

12628398182409 is a deficient number, since it is larger than the sum of its proper divisors (5649772173543).

12628398182409 is a wasteful number, since it uses less digits than its factorization.

12628398182409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857750708 (or 2857750705 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 12628398182409 in words is "twelve trillion, six hundred twenty-eight billion, three hundred ninety-eight million, one hundred eighty-two thousand, four hundred nine".