6459899 has 2 divisors, whose sum is σ = 6459900. Its totient is φ = 6459898.

The previous prime is 6459883. The next prime is 6459907. The reversal of 6459899 is 9989546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6459899 - 2⁴ = 6459883 is a prime.

It is not a weakly prime, because it can be changed into another prime (6459499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3229949 + 3229950.

It is an arithmetic number, because the mean of its divisors is an integer number (3229950).

Almost surely, 2^6459899 is an apocalyptic number.

6459899 is a deficient number, since it is larger than the sum of its proper divisors (1).

6459899 is an equidigital number, since it uses as much as digits as its factorization.

6459899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 50.

The square root of 6459899 is about 2541.6331363909. The cubic root of 6459899 is about 186.2409775970.

The spelling of 6459899 in words is "six million, four hundred fifty-nine thousand, eight hundred ninety-nine".