6226643506443 has 4 divisors (see below), whose sum is σ = 8302191341928. Its totient is φ = 4151095670960.

The previous prime is 6226643506367. The next prime is 6226643506471. The reversal of 6226643506443 is 3446053466226.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6226643506443 - 2⁴¹ = 4027620250891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6226643506483) 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, 1037773917738 + ... + 1037773917743.

It is an arithmetic number, because the mean of its divisors is an integer number (2075547835482).

Almost surely, 2^{6226643506443} is an apocalyptic number.

6226643506443 is a deficient number, since it is larger than the sum of its proper divisors (2075547835485).

6226643506443 is a wasteful number, since it uses less digits than its factorization.

6226643506443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075547835484.

The product of its (nonzero) digits is 14929920, while the sum is 51.

The spelling of 6226643506443 in words is "six trillion, two hundred twenty-six billion, six hundred forty-three million, five hundred six thousand, four hundred forty-three".