6395665936 has 80 divisors (see below), whose sum is σ = 14135666688. Its totient is φ = 2774851200.

The previous prime is 6395665921. The next prime is 6395665993.

6395665936 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2310025 + ... + 2312791.

Almost surely, 2^6395665936 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 6395665936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7067833344).

6395665936 is an abundant number, since it is smaller than the sum of its proper divisors (7740000752).

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

6395665936 is a wasteful number, since it uses less digits than its factorization.

6395665936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380 (or 3374 counting only the distinct ones).

The product of its digits is 23619600, while the sum is 58.

The square root of 6395665936 is about 79972.9075124820. The cubic root of 6395665936 is about 1856.2163358238.

The spelling of 6395665936 in words is "six billion, three hundred ninety-five million, six hundred sixty-five thousand, nine hundred thirty-six".