6481434474 has 12 divisors (see below), whose sum is σ = 14043108066. Its totient is φ = 2160478152.

The previous prime is 6481434473. The next prime is 6481434493. The reversal of 6481434474 is 4744341846.

It is a happy number.

6481434474 is a `hidden beast` number, since 64 + 8 + 143 + 447 + 4 = 666.

6481434474 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5127562449 + 1353872025 = 71607^2 + 36795^2 .

It is not an unprimeable number, because it can be changed into a prime (6481434473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180039829 + ... + 180039864.

Almost surely, 2^6481434474 is an apocalyptic number.

6481434474 is an abundant number, since it is smaller than the sum of its proper divisors (7561673592).

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

6481434474 is a wasteful number, since it uses less digits than its factorization.

6481434474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360079701 (or 360079698 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 45.

The square root of 6481434474 is about 80507.3566452160. The cubic root of 6481434474 is about 1864.4770626891.

The spelling of 6481434474 in words is "six billion, four hundred eighty-one million, four hundred thirty-four thousand, four hundred seventy-four".