6498305887 has 2 divisors, whose sum is σ = 6498305888. Its totient is φ = 6498305886.

The previous prime is 6498305873. The next prime is 6498305911. The reversal of 6498305887 is 7885038946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6498305887 - 2³¹ = 4350822239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6498305867) 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, 3249152943 + 3249152944.

It is an arithmetic number, because the mean of its divisors is an integer number (3249152944).

Almost surely, 2^6498305887 is an apocalyptic number.

6498305887 is a deficient number, since it is larger than the sum of its proper divisors (1).

6498305887 is an equidigital number, since it uses as much as digits as its factorization.

6498305887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The square root of 6498305887 is about 80612.0703554995. The cubic root of 6498305887 is about 1866.0934285341.

The spelling of 6498305887 in words is "six billion, four hundred ninety-eight million, three hundred five thousand, eight hundred eighty-seven".