6338623564 has 48 divisors (see below), whose sum is σ = 13693196608. Its totient is φ = 2500098048.

The previous prime is 6338623561. The next prime is 6338623609. The reversal of 6338623564 is 4653268336.

It is not an unprimeable number, because it can be changed into a prime (6338623561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96832 + ... + 148504.

Almost surely, 2^6338623564 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 6338623564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6846598304).

6338623564 is an abundant number, since it is smaller than the sum of its proper divisors (7354573044).

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

6338623564 is a wasteful number, since it uses less digits than its factorization.

6338623564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52034 (or 52032 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 46.

The square root of 6338623564 is about 79615.4731443581. The cubic root of 6338623564 is about 1850.6813719988.

The spelling of 6338623564 in words is "six billion, three hundred thirty-eight million, six hundred twenty-three thousand, five hundred sixty-four".