6391001936 has 120 divisors (see below), whose sum is σ = 14196591360. Its totient is φ = 2762457600.

The previous prime is 6391001923. The next prime is 6391001941.

6391001936 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6391001936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13342145 + ... + 13342623.

It is an arithmetic number, because the mean of its divisors is an integer number (118304928).

Almost surely, 2^6391001936 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 6391001936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7098295680).

6391001936 is an abundant number, since it is smaller than the sum of its proper divisors (7805589424).

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

6391001936 is a wasteful number, since it uses less digits than its factorization.

6391001936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 6391001936 is about 79943.7423192084. The cubic root of 6391001936 is about 1855.7650146541.

The spelling of 6391001936 in words is "six billion, three hundred ninety-one million, one thousand, nine hundred thirty-six".