3266643841 has 2 divisors, whose sum is σ = 3266643842. Its totient is φ = 3266643840.

The previous prime is 3266643797. The next prime is 3266643851. The reversal of 3266643841 is 1483466623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2350310400 + 916333441 = 48480^2 + 30271^2 .

It is a cyclic number.

It is not a de Polignac number, because 3266643841 - 2¹¹ = 3266641793 is a prime.

It is not a weakly prime, because it can be changed into another prime (3266643851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1633321920 + 1633321921.

It is an arithmetic number, because the mean of its divisors is an integer number (1633321921).

Almost surely, 2^3266643841 is an apocalyptic number.

It is an amenable number.

3266643841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3266643841 is an equidigital number, since it uses as much as digits as its factorization.

3266643841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 43.

The square root of 3266643841 is about 57154.5609816050. The cubic root of 3266643841 is about 1483.7723101838.

The spelling of 3266643841 in words is "three billion, two hundred sixty-six million, six hundred forty-three thousand, eight hundred forty-one".