4065266641 has 2 divisors, whose sum is σ = 4065266642. Its totient is φ = 4065266640.

The previous prime is 4065266599. The next prime is 4065266659. The reversal of 4065266641 is 1466625604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2841316416 + 1223950225 = 53304^2 + 34985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4065266641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4065266594 and 4065266603.

It is not a weakly prime, because it can be changed into another prime (4065266671) 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, 2032633320 + 2032633321.

It is an arithmetic number, because the mean of its divisors is an integer number (2032633321).

Almost surely, 2^4065266641 is an apocalyptic number.

It is an amenable number.

4065266641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4065266641 is an equidigital number, since it uses as much as digits as its factorization.

4065266641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 4065266641 is about 63759.4435436822. The cubic root of 4065266641 is about 1595.9882099168.

The spelling of 4065266641 in words is "four billion, sixty-five million, two hundred sixty-six thousand, six hundred forty-one".