6504490464 has 48 divisors (see below), whose sum is σ = 17083084032. Its totient is φ = 2167046528.

The previous prime is 6504490429. The next prime is 6504490471. The reversal of 6504490464 is 4640944056.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 181627 + ... + 214469.

It is an arithmetic number, because the mean of its divisors is an integer number (355897584).

Almost surely, 2^6504490464 is an apocalyptic number.

It is an amenable number.

6504490464 is an abundant number, since it is smaller than the sum of its proper divisors (10578593568).

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

6504490464 is a wasteful number, since it uses less digits than its factorization.

6504490464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34919 (or 34911 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 6504490464 is about 80650.4213504183. The cubic root of 6504490464 is about 1866.6852411984.

The spelling of 6504490464 in words is "six billion, five hundred four million, four hundred ninety thousand, four hundred sixty-four".