6488353809 has 12 divisors (see below), whose sum is σ = 10710933376. Its totient is φ = 3707630712.

The previous prime is 6488353801. The next prime is 6488353829. The reversal of 6488353809 is 9083538846.

It is a happy number.

It is not a de Polignac number, because 6488353809 - 2³ = 6488353801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6488353801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51494809 + ... + 51494934.

Almost surely, 2^6488353809 is an apocalyptic number.

It is an amenable number.

6488353809 is a deficient number, since it is larger than the sum of its proper divisors (4222579567).

6488353809 is a wasteful number, since it uses less digits than its factorization.

6488353809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102989756 (or 102989753 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The square root of 6488353809 is about 80550.3184909905. The cubic root of 6488353809 is about 1865.1403085244.

The spelling of 6488353809 in words is "six billion, four hundred eighty-eight million, three hundred fifty-three thousand, eight hundred nine".