6544664411 has 2 divisors, whose sum is σ = 6544664412. Its totient is φ = 6544664410.

The previous prime is 6544664383. The next prime is 6544664419. The reversal of 6544664411 is 1144664456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6544664411 - 2¹⁰ = 6544663387 is a prime.

It is not a weakly prime, because it can be changed into another prime (6544664419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272332205 + 3272332206.

It is an arithmetic number, because the mean of its divisors is an integer number (3272332206).

Almost surely, 2^6544664411 is an apocalyptic number.

6544664411 is a deficient number, since it is larger than the sum of its proper divisors (1).

6544664411 is an equidigital number, since it uses as much as digits as its factorization.

6544664411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 41.

The square root of 6544664411 is about 80899.1001865905. The cubic root of 6544664411 is about 1870.5204506167.

The spelling of 6544664411 in words is "six billion, five hundred forty-four million, six hundred sixty-four thousand, four hundred eleven".