6484990807488 has 448 divisors, whose sum is σ = 18688990003200. Its totient is φ = 1980105523200.

The previous prime is 6484990807441. The next prime is 6484990807499. The reversal of 6484990807488 is 8847080994846.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1543675788 + ... + 1543679988.

Almost surely, 2^{6484990807488} 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 6484990807488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9344495001600).

6484990807488 is an abundant number, since it is smaller than the sum of its proper divisors (12203999195712).

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

6484990807488 is a wasteful number, since it uses less digits than its factorization.

6484990807488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 891813888, while the sum is 75.

The spelling of 6484990807488 in words is "six trillion, four hundred eighty-four billion, nine hundred ninety million, eight hundred seven thousand, four hundred eighty-eight".