6471641344 has 144 divisors (see below), whose sum is σ = 15409601536. Its totient is φ = 2654208000.

The previous prime is 6471641339. The next prime is 6471641387. The reversal of 6471641344 is 4431461746.

It is a junction number, because it is equal to n+sod(n) for n = 6471641297 and 6471641306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5387944 + ... + 5389144.

Almost surely, 2^6471641344 is an apocalyptic number.

6471641344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6471641344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7704800768).

6471641344 is an abundant number, since it is smaller than the sum of its proper divisors (8937960192).

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

6471641344 is a wasteful number, since it uses less digits than its factorization.

6471641344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1338 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 6471641344 is about 80446.5123171912. The cubic root of 6471641344 is about 1863.5375448379.

The spelling of 6471641344 in words is "six billion, four hundred seventy-one million, six hundred forty-one thousand, three hundred forty-four".