6863606448 has 20 divisors (see below), whose sum is σ = 17730983448. Its totient is φ = 2287868800.

The previous prime is 6863606447. The next prime is 6863606473. The reversal of 6863606448 is 8446063686.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6863606448.

It is not an unprimeable number, because it can be changed into a prime (6863606447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71495853 + ... + 71495948.

Almost surely, 2^6863606448 is an apocalyptic number.

It is an amenable number.

6863606448 is an abundant number, since it is smaller than the sum of its proper divisors (10867377000).

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

6863606448 is a wasteful number, since it uses less digits than its factorization.

6863606448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142991812 (or 142991806 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The square root of 6863606448 is about 82846.8855660851. The cubic root of 6863606448 is about 1900.4252462758.

The spelling of 6863606448 in words is "six billion, eight hundred sixty-three million, six hundred six thousand, four hundred forty-eight".