6468609336 has 128 divisors (see below), whose sum is σ = 19067112960. Its totient is φ = 1790553600.

The previous prime is 6468609271. The next prime is 6468609359. The reversal of 6468609336 is 6339068646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681906 + ... + 691326.

It is an arithmetic number, because the mean of its divisors is an integer number (148961820).

Almost surely, 2^6468609336 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 6468609336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9533556480).

6468609336 is an abundant number, since it is smaller than the sum of its proper divisors (12598503624).

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

6468609336 is a wasteful number, since it uses less digits than its factorization.

6468609336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565 (or 9561 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 51.

The square root of 6468609336 is about 80427.6652402642. The cubic root of 6468609336 is about 1863.2464727039.

The spelling of 6468609336 in words is "six billion, four hundred sixty-eight million, six hundred nine thousand, three hundred thirty-six".