4066142243 has 2 divisors, whose sum is σ = 4066142244. Its totient is φ = 4066142242.

The previous prime is 4066142231. The next prime is 4066142251. The reversal of 4066142243 is 3422416604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4066142243 - 2¹⁴ = 4066125859 is a prime.

It is not a weakly prime, because it can be changed into another prime (4066642243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033071121 + 2033071122.

It is an arithmetic number, because the mean of its divisors is an integer number (2033071122).

Almost surely, 2^4066142243 is an apocalyptic number.

4066142243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066142243 is an equidigital number, since it uses as much as digits as its factorization.

4066142243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 4066142243 is about 63766.3096234995. The cubic root of 4066142243 is about 1596.1027862594.

Adding to 4066142243 its reverse (3422416604), we get a palindrome (7488558847).

The spelling of 4066142243 in words is "four billion, sixty-six million, one hundred forty-two thousand, two hundred forty-three".