6731547648 has 88 divisors (see below), whose sum is σ = 20505241152. Its totient is φ = 1923293184.

The previous prime is 6731547637. The next prime is 6731547659. The reversal of 6731547648 is 8467451376.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6731547637) and next prime (6731547659).

It is a self number, because there is not a number n which added to its sum of digits gives 6731547648.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135015 + ... + 178022.

It is an arithmetic number, because the mean of its divisors is an integer number (233014104).

Almost surely, 2^6731547648 is an apocalyptic number.

It is an amenable number.

6731547648 is an abundant number, since it is smaller than the sum of its proper divisors (13773693504).

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

6731547648 is a wasteful number, since it uses less digits than its factorization.

6731547648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313067 (or 313049 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The square root of 6731547648 is about 82046.0093362255. The cubic root of 6731547648 is about 1888.1578916119.

The spelling of 6731547648 in words is "six billion, seven hundred thirty-one million, five hundred forty-seven thousand, six hundred forty-eight".