6509323968 has 56 divisors (see below), whose sum is σ = 19682959872. Its totient is φ = 1859806464.

The previous prime is 6509323927. The next prime is 6509323979. The reversal of 6509323968 is 8693239056.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 6509323968.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2420280 + ... + 2422967.

Almost surely, 2^6509323968 is an apocalyptic number.

It is an amenable number.

6509323968 is an abundant number, since it is smaller than the sum of its proper divisors (13173635904).

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

6509323968 is a wasteful number, since it uses less digits than its factorization.

6509323968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843269 (or 4843259 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The square root of 6509323968 is about 80680.3815558652. The cubic root of 6509323968 is about 1867.1475062873.

The spelling of 6509323968 in words is "six billion, five hundred nine million, three hundred twenty-three thousand, nine hundred sixty-eight".