12643466255 has 32 divisors (see below), whose sum is σ = 17951500800. Its totient is φ = 8364327552.

The previous prime is 12643466243. The next prime is 12643466299. The reversal of 12643466255 is 55266434621.

It is a happy number.

It is not a de Polignac number, because 12643466255 - 2¹⁰ = 12643465231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1541756 + ... + 1549934.

It is an arithmetic number, because the mean of its divisors is an integer number (560984400).

Almost surely, 2^12643466255 is an apocalyptic number.

12643466255 is a deficient number, since it is larger than the sum of its proper divisors (5308034545).

12643466255 is a wasteful number, since it uses less digits than its factorization.

12643466255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743.

The product of its digits is 1036800, while the sum is 44.

The spelling of 12643466255 in words is "twelve billion, six hundred forty-three million, four hundred sixty-six thousand, two hundred fifty-five".