6488819 has 2 divisors, whose sum is σ = 6488820. Its totient is φ = 6488818.

The previous prime is 6488809. The next prime is 6488831. The reversal of 6488819 is 9188846.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6488819 - 2⁸ = 6488563 is a prime.

It is a super-2 number, since 2×6488819² = 84209544029522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6488819.

It is not a weakly prime, because it can be changed into another prime (6488809) 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, 3244409 + 3244410.

It is an arithmetic number, because the mean of its divisors is an integer number (3244410).

Almost surely, 2^6488819 is an apocalyptic number.

6488819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6488819 is an equidigital number, since it uses as much as digits as its factorization.

6488819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The square root of 6488819 is about 2547.3160385001. The cubic root of 6488819 is about 186.5184882016.

The spelling of 6488819 in words is "six million, four hundred eighty-eight thousand, eight hundred nineteen".