4066503949 has 2 divisors, whose sum is σ = 4066503950. Its totient is φ = 4066503948.

The previous prime is 4066503923. The next prime is 4066504021. The reversal of 4066503949 is 9493056604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3439001449 + 627502500 = 58643^2 + 25050^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066503949 - 2¹³ = 4066495757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4066503899 and 4066503908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066503149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033251974 + 2033251975.

It is an arithmetic number, because the mean of its divisors is an integer number (2033251975).

Almost surely, 2^4066503949 is an apocalyptic number.

It is an amenable number.

4066503949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066503949 is an equidigital number, since it uses as much as digits as its factorization.

4066503949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 4066503949 is about 63769.1457446311. The cubic root of 4066503949 is about 1596.1501122671.

The spelling of 4066503949 in words is "four billion, sixty-six million, five hundred three thousand, nine hundred forty-nine".