4066204419749 has 2 divisors, whose sum is σ = 4066204419750. Its totient is φ = 4066204419748.

The previous prime is 4066204419577. The next prime is 4066204419757. The reversal of 4066204419749 is 9479144026604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2898114688225 + 1168089731524 = 1702385^2 + 1080782^2 .

It is a cyclic number.

It is not a de Polignac number, because 4066204419749 - 2¹² = 4066204415653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4066204419694 and 4066204419703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4066204419449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2033102209874 + 2033102209875.

It is an arithmetic number, because the mean of its divisors is an integer number (2033102209875).

Almost surely, 2^{4066204419749} is an apocalyptic number.

It is an amenable number.

4066204419749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4066204419749 is an equidigital number, since it uses as much as digits as its factorization.

4066204419749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 4066204419749 in words is "four trillion, sixty-six billion, two hundred four million, four hundred nineteen thousand, seven hundred forty-nine".