6681473480 has 32 divisors (see below), whose sum is σ = 16399981440. Its totient is φ = 2429626560.

The previous prime is 6681473479. The next prime is 6681473483. The reversal of 6681473480 is 843741866.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6681473483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7592144 + ... + 7593023.

It is an arithmetic number, because the mean of its divisors is an integer number (512499420).

Almost surely, 2^6681473480 is an apocalyptic number.

It is an amenable number.

6681473480 is an abundant number, since it is smaller than the sum of its proper divisors (9718507960).

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

6681473480 is a wasteful number, since it uses less digits than its factorization.

6681473480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15185189 (or 15185185 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 6681473480 is about 81740.2806454688. The cubic root of 6681473480 is about 1883.4644019432.

The spelling of 6681473480 in words is "six billion, six hundred eighty-one million, four hundred seventy-three thousand, four hundred eighty".