6491782332 has 72 divisors (see below), whose sum is σ = 18768169056. Its totient is φ = 1853397504.

The previous prime is 6491782309. The next prime is 6491782343. The reversal of 6491782332 is 2332871946.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 352128 + ... + 370104.

Almost surely, 2^6491782332 is an apocalyptic number.

It is an amenable number.

6491782332 is an abundant number, since it is smaller than the sum of its proper divisors (12276386724).

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

6491782332 is a wasteful number, since it uses less digits than its factorization.

6491782332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19427 (or 19422 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 6491782332 is about 80571.5975514945. The cubic root of 6491782332 is about 1865.4687714198.

The spelling of 6491782332 in words is "six billion, four hundred ninety-one million, seven hundred eighty-two thousand, three hundred thirty-two".