6604504651 has 2 divisors, whose sum is σ = 6604504652. Its totient is φ = 6604504650.

The previous prime is 6604504649. The next prime is 6604504657. The reversal of 6604504651 is 1564054066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6604504651 - 2¹ = 6604504649 is a prime.

Together with 6604504649, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6604504651.

It is not a weakly prime, because it can be changed into another prime (6604504657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302252325 + 3302252326.

It is an arithmetic number, because the mean of its divisors is an integer number (3302252326).

Almost surely, 2^6604504651 is an apocalyptic number.

6604504651 is a deficient number, since it is larger than the sum of its proper divisors (1).

6604504651 is an equidigital number, since it uses as much as digits as its factorization.

6604504651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 6604504651 is about 81268.1035277679. The cubic root of 6604504651 is about 1876.2041119903.

The spelling of 6604504651 in words is "six billion, six hundred four million, five hundred four thousand, six hundred fifty-one".