4066543266407 has 2 divisors, whose sum is σ = 4066543266408. Its totient is φ = 4066543266406.

The previous prime is 4066543266389. The next prime is 4066543266509. The reversal of 4066543266407 is 7046623456604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4066543266407 - 2¹² = 4066543262311 is a prime.

It is a super-2 number, since 2×4066543266407² (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 (4066543268407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033271633203 + 2033271633204.

It is an arithmetic number, because the mean of its divisors is an integer number (2033271633204).

Almost surely, 2^{4066543266407} is an apocalyptic number.

4066543266407 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066543266407 is an equidigital number, since it uses as much as digits as its factorization.

4066543266407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 53.

The spelling of 4066543266407 in words is "four trillion, sixty-six billion, five hundred forty-three million, two hundred sixty-six thousand, four hundred seven".