12443664411 has 6 divisors (see below), whose sum is σ = 17974181940. Its totient is φ = 8295776268.

The previous prime is 12443664397. The next prime is 12443664419. The reversal of 12443664411 is 11446634421.

12443664411 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 3 + 6 + 644 + 1 + 1 = 666.

It is not a de Polignac number, because 12443664411 - 2¹⁰ = 12443663387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12443664419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691314681 + ... + 691314698.

It is an arithmetic number, because the mean of its divisors is an integer number (2995696990).

Almost surely, 2^12443664411 is an apocalyptic number.

12443664411 is a deficient number, since it is larger than the sum of its proper divisors (5530517529).

12443664411 is a wasteful number, since it uses less digits than its factorization.

12443664411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382629385 (or 1382629382 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The spelling of 12443664411 in words is "twelve billion, four hundred forty-three million, six hundred sixty-four thousand, four hundred eleven".