6398748336 has 80 divisors (see below), whose sum is σ = 16793568000. Its totient is φ = 2099032320.

The previous prime is 6398748311. The next prime is 6398748383. The reversal of 6398748336 is 6338478936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326290 + ... + 2329038.

It is an arithmetic number, because the mean of its divisors is an integer number (209919600).

Almost surely, 2^6398748336 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 6398748336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8396784000).

6398748336 is an abundant number, since it is smaller than the sum of its proper divisors (10394819664).

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

6398748336 is a wasteful number, since it uses less digits than its factorization.

6398748336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514 (or 3508 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 57.

The square root of 6398748336 is about 79992.1767174766. The cubic root of 6398748336 is about 1856.5144899362.

The spelling of 6398748336 in words is "six billion, three hundred ninety-eight million, seven hundred forty-eight thousand, three hundred thirty-six".