6391441936 has 20 divisors (see below), whose sum is σ = 13509184464. Its totient is φ = 2905200800.

The previous prime is 6391441919. The next prime is 6391441949.

6391441936 is nontrivially palindromic in base 10.

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 3 ways as a sum of consecutive naturals, for example, 18157330 + ... + 18157681.

Almost surely, 2^6391441936 is an apocalyptic number.

It is an amenable number.

6391441936 is an abundant number, since it is smaller than the sum of its proper divisors (7117742528).

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

6391441936 is a wasteful number, since it uses less digits than its factorization.

6391441936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36315030 (or 36315024 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 6391441936 is about 79946.4942070633. The cubic root of 6391441936 is about 1855.8076015013.

The spelling of 6391441936 in words is "six billion, three hundred ninety-one million, four hundred forty-one thousand, nine hundred thirty-six".