6481791792 has 120 divisors (see below), whose sum is σ = 21213713664. Its totient is φ = 1808860032.

The previous prime is 6481791781. The next prime is 6481791793. The reversal of 6481791792 is 2971971846.

6481791792 is a `hidden beast` number, since 6 + 481 + 7 + 91 + 79 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6481791793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31428 + ... + 118115.

Almost surely, 2^6481791792 is an apocalyptic number.

It is an amenable number.

6481791792 is an abundant number, since it is smaller than the sum of its proper divisors (14731921872).

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

6481791792 is a wasteful number, since it uses less digits than its factorization.

6481791792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149607 (or 149598 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 6481791792 is about 80509.5757782886. The cubic root of 6481791792 is about 1864.5113245990.

The spelling of 6481791792 in words is "six billion, four hundred eighty-one million, seven hundred ninety-one thousand, seven hundred ninety-two".