6489281000904 has 256 divisors, whose sum is σ = 18689542905600. Its totient is φ = 1863235325952.

The previous prime is 6489281000893. The next prime is 6489281000941. The reversal of 6489281000904 is 4090001829846.

It is a super-2 number, since 2×6489281000904² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32028462 + ... + 32230434.

It is an arithmetic number, because the mean of its divisors is an integer number (73006026975).

Almost surely, 2^{6489281000904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6489281000904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9344771452800).

6489281000904 is an abundant number, since it is smaller than the sum of its proper divisors (12200261904696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6489281000904 is a wasteful number, since it uses less digits than its factorization.

6489281000904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202144 (or 202140 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 6489281000904 in words is "six trillion, four hundred eighty-nine billion, two hundred eighty-one million, nine hundred four", and thus it is an aban number.