6348815836 has 48 divisors (see below), whose sum is σ = 12805309440. Its totient is φ = 2727005120.

The previous prime is 6348815821. The next prime is 6348815839. The reversal of 6348815836 is 6385188436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6348815839) 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, 7041 + ... + 112903.

It is an arithmetic number, because the mean of its divisors is an integer number (266777280).

Almost surely, 2^6348815836 is an apocalyptic number.

It is an amenable number.

6348815836 is an abundant number, since it is smaller than the sum of its proper divisors (6456493604).

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

6348815836 is a wasteful number, since it uses less digits than its factorization.

6348815836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105954 (or 105952 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The square root of 6348815836 is about 79679.4568003573. The cubic root of 6348815836 is about 1851.6727831789.

The spelling of 6348815836 in words is "six billion, three hundred forty-eight million, eight hundred fifteen thousand, eight hundred thirty-six".