6448863596 has 48 divisors (see below), whose sum is σ = 13519672320. Its totient is φ = 2633662080.

The previous prime is 6448863583. The next prime is 6448863599. The reversal of 6448863596 is 6953688446.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6448863599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15956 + ... + 114683.

It is an arithmetic number, because the mean of its divisors is an integer number (281659840).

Almost surely, 2^6448863596 is an apocalyptic number.

It is an amenable number.

6448863596 is an abundant number, since it is smaller than the sum of its proper divisors (7070808724).

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

6448863596 is a wasteful number, since it uses less digits than its factorization.

6448863596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130734 (or 130732 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 59.

The square root of 6448863596 is about 80304.8167671155. The cubic root of 6448863596 is about 1861.3486572837.

The spelling of 6448863596 in words is "six billion, four hundred forty-eight million, eight hundred sixty-three thousand, five hundred ninety-six".