3241981811 has 2 divisors, whose sum is σ = 3241981812. Its totient is φ = 3241981810.

The previous prime is 3241981747. The next prime is 3241981819. The reversal of 3241981811 is 1181891423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3241981811 - 2⁶ = 3241981747 is a prime.

It is not a weakly prime, because it can be changed into another prime (3241981819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620990905 + 1620990906.

It is an arithmetic number, because the mean of its divisors is an integer number (1620990906).

Almost surely, 2^3241981811 is an apocalyptic number.

3241981811 is a deficient number, since it is larger than the sum of its proper divisors (1).

3241981811 is an equidigital number, since it uses as much as digits as its factorization.

3241981811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 38.

The square root of 3241981811 is about 56938.4036569344. The cubic root of 3241981811 is about 1480.0288847236.

The spelling of 3241981811 in words is "three billion, two hundred forty-one million, nine hundred eighty-one thousand, eight hundred eleven".