6471853764 has 12 divisors (see below), whose sum is σ = 15100992144. Its totient is φ = 2157284584.

The previous prime is 6471853757. The next prime is 6471853769. The reversal of 6471853764 is 4673581746.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6471853764² = 83769782285201935392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6471853769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269660562 + ... + 269660585.

It is an arithmetic number, because the mean of its divisors is an integer number (1258416012).

Almost surely, 2^6471853764 is an apocalyptic number.

It is an amenable number.

6471853764 is an abundant number, since it is smaller than the sum of its proper divisors (8629138380).

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

6471853764 is a wasteful number, since it uses less digits than its factorization.

6471853764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539321154 (or 539321152 counting only the distinct ones).

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

The square root of 6471853764 is about 80447.8325624749. The cubic root of 6471853764 is about 1863.5579337054.

The spelling of 6471853764 in words is "six billion, four hundred seventy-one million, eight hundred fifty-three thousand, seven hundred sixty-four".