6465601344 has 56 divisors (see below), whose sum is σ = 17183729920. Its totient is φ = 2145521664.

The previous prime is 6465601327. The next prime is 6465601357. The reversal of 6465601344 is 4431065646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32689 + ... + 118320.

It is an arithmetic number, because the mean of its divisors is an integer number (306852320).

Almost surely, 2^6465601344 is an apocalyptic number.

6465601344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6465601344 is an abundant number, since it is smaller than the sum of its proper divisors (10718128576).

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

6465601344 is a wasteful number, since it uses less digits than its factorization.

6465601344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151247 (or 151237 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 6465601344 is about 80408.9630824823. The cubic root of 6465601344 is about 1862.9576162094.

The spelling of 6465601344 in words is "six billion, four hundred sixty-five million, six hundred one thousand, three hundred forty-four".