6485264647488 has 280 divisors, whose sum is σ = 21030509079360. Its totient is φ = 1959751342080.

The previous prime is 6485264647481. The next prime is 6485264647517. The reversal of 6485264647488 is 8847464625846.

6485264647488 is a `hidden beast` number, since 6 + 4 + 85 + 2 + 6 + 4 + 64 + 7 + 488 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485264647481) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 20313220 + ... + 20630012.

Almost surely, 2^{6485264647488} 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 6485264647488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10515254539680).

6485264647488 is an abundant number, since it is smaller than the sum of its proper divisors (14545244431872).

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

6485264647488 is a wasteful number, since it uses less digits than its factorization.

6485264647488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317187 (or 317168 counting only the distinct ones).

The product of its digits is 1981808640, while the sum is 72.

The spelling of 6485264647488 in words is "six trillion, four hundred eighty-five billion, two hundred sixty-four million, six hundred forty-seven thousand, four hundred eighty-eight".