6504411643 has 2 divisors, whose sum is σ = 6504411644. Its totient is φ = 6504411642.

The previous prime is 6504411637. The next prime is 6504411659. The reversal of 6504411643 is 3461144056.

6504411643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6504411643 - 2¹⁷ = 6504280571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6504411599 and 6504411608.

It is not a weakly prime, because it can be changed into another prime (6504411443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252205821 + 3252205822.

It is an arithmetic number, because the mean of its divisors is an integer number (3252205822).

Almost surely, 2^6504411643 is an apocalyptic number.

6504411643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6504411643 is an equidigital number, since it uses as much as digits as its factorization.

6504411643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 6504411643 is about 80649.9326906105. The cubic root of 6504411643 is about 1866.6777010438.

Adding to 6504411643 its reverse (3461144056), we get a palindrome (9965555699).

The spelling of 6504411643 in words is "six billion, five hundred four million, four hundred eleven thousand, six hundred forty-three".