6409571112 has 384 divisors, whose sum is σ = 21693484800. Its totient is φ = 1669165056.

The previous prime is 6409571111. The next prime is 6409571173. The reversal of 6409571112 is 2111759046.

6409571112 is a `hidden beast` number, since 640 + 9 + 5 + 7 + 1 + 1 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6409571111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37049458 + ... + 37049630.

It is an arithmetic number, because the mean of its divisors is an integer number (56493450).

Almost surely, 2^6409571112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6409571112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10846742400).

6409571112 is an abundant number, since it is smaller than the sum of its proper divisors (15283913688).

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

6409571112 is a wasteful number, since it uses less digits than its factorization.

6409571112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 6409571112 is about 80059.7971019163. The cubic root of 6409571112 is about 1857.5605967623.

The spelling of 6409571112 in words is "six billion, four hundred nine million, five hundred seventy-one thousand, one hundred twelve".