4066643044487 has 2 divisors, whose sum is σ = 4066643044488. Its totient is φ = 4066643044486.

The previous prime is 4066643044439. The next prime is 4066643044507. The reversal of 4066643044487 is 7844403466604.

It is a happy number.

4066643044487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4066643044487 - 2⁸ = 4066643044231 is a prime.

It is a super-2 number, since 2×4066643044487² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066643044187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033321522243 + 2033321522244.

It is an arithmetic number, because the mean of its divisors is an integer number (2033321522244).

Almost surely, 2^{4066643044487} is an apocalyptic number.

4066643044487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066643044487 is an equidigital number, since it uses as much as digits as its factorization.

4066643044487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37158912, while the sum is 56.

The spelling of 4066643044487 in words is "four trillion, sixty-six billion, six hundred forty-three million, forty-four thousand, four hundred eighty-seven".