6484995684 has 18 divisors (see below), whose sum is σ = 16392628070. Its totient is φ = 2161665216.

The previous prime is 6484995667. The next prime is 6484995703. The reversal of 6484995684 is 4865994846.

6484995684 is a `hidden beast` number, since 6 + 484 + 9 + 95 + 68 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3959933184 + 2525062500 = 62928^2 + 50250^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 90069349 + ... + 90069420.

Almost surely, 2^6484995684 is an apocalyptic number.

It is an amenable number.

6484995684 is an abundant number, since it is smaller than the sum of its proper divisors (9907632386).

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

6484995684 is a wasteful number, since it uses less digits than its factorization.

6484995684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180138779 (or 180138774 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The square root of 6484995684 is about 80529.4709035146. The cubic root of 6484995684 is about 1864.8184777819.

The spelling of 6484995684 in words is "six billion, four hundred eighty-four million, nine hundred ninety-five thousand, six hundred eighty-four".