4066643044443 has 16 divisors (see below), whose sum is σ = 6197849049600. Its totient is φ = 2323398657216.

The previous prime is 4066643044439. The next prime is 4066643044487. The reversal of 4066643044443 is 3444403466604.

It is not a de Polignac number, because 4066643044443 - 2² = 4066643044439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4066643044392 and 4066643044401.

It is not an unprimeable number, because it can be changed into a prime (4066643044433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16431255 + ... + 16676912.

It is an arithmetic number, because the mean of its divisors is an integer number (387365565600).

Almost surely, 2^{4066643044443} is an apocalyptic number.

4066643044443 is a deficient number, since it is larger than the sum of its proper divisors (2131206005157).

4066643044443 is a wasteful number, since it uses less digits than its factorization.

4066643044443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33114026.

The product of its (nonzero) digits is 7962624, while the sum is 48.

The spelling of 4066643044443 in words is "four trillion, sixty-six billion, six hundred forty-three million, forty-four thousand, four hundred forty-three".