6405749832 has 32 divisors (see below), whose sum is σ = 16857237600. Its totient is φ = 2022868224.

The previous prime is 6405749827. The next prime is 6405749843. The reversal of 6405749832 is 2389475046.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7023393 + ... + 7024304.

It is an arithmetic number, because the mean of its divisors is an integer number (526788675).

Almost surely, 2^6405749832 is an apocalyptic number.

It is an amenable number.

6405749832 is an abundant number, since it is smaller than the sum of its proper divisors (10451487768).

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

6405749832 is a wasteful number, since it uses less digits than its factorization.

6405749832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14047725 (or 14047721 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The square root of 6405749832 is about 80035.9283821960. The cubic root of 6405749832 is about 1857.1913744372.

The spelling of 6405749832 in words is "six billion, four hundred five million, seven hundred forty-nine thousand, eight hundred thirty-two".