6485899717 has 12 divisors (see below), whose sum is σ = 7504349440. Its totient is φ = 5585940360.

The previous prime is 6485899709. The next prime is 6485899723. The reversal of 6485899717 is 7179985846.

It is not a de Polignac number, because 6485899717 - 2³ = 6485899709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485899787) 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 in 11 ways as a sum of consecutive naturals, for example, 1408293 + ... + 1412890.

Almost surely, 2^6485899717 is an apocalyptic number.

It is an amenable number.

6485899717 is a deficient number, since it is larger than the sum of its proper divisors (1018449723).

6485899717 is a wasteful number, since it uses less digits than its factorization.

6485899717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821224 (or 2821213 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 64.

The square root of 6485899717 is about 80535.0837647792. The cubic root of 6485899717 is about 1864.9051280123.

The spelling of 6485899717 in words is "six billion, four hundred eighty-five million, eight hundred ninety-nine thousand, seven hundred seventeen".