4641611809 has 2 divisors, whose sum is σ = 4641611810. Its totient is φ = 4641611808.

The previous prime is 4641611789. The next prime is 4641611827. The reversal of 4641611809 is 9081161464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4263698209 + 377913600 = 65297^2 + 19440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4641611809 is a prime.

It is not a weakly prime, because it can be changed into another prime (4641611839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320805904 + 2320805905.

It is an arithmetic number, because the mean of its divisors is an integer number (2320805905).

Almost surely, 2^4641611809 is an apocalyptic number.

It is an amenable number.

4641611809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4641611809 is an equidigital number, since it uses as much as digits as its factorization.

4641611809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 4641611809 is about 68129.3755218702. The cubic root of 4641611809 is about 1668.1032895042.

The spelling of 4641611809 in words is "four billion, six hundred forty-one million, six hundred eleven thousand, eight hundred nine".