6564487914 has 32 divisors (see below), whose sum is σ = 15222003840. Its totient is φ = 2093024736.

The previous prime is 6564487907. The next prime is 6564487931. The reversal of 6564487914 is 4197844656.

6564487914 is a `hidden beast` number, since 6 + 564 + 4 + 8 + 79 + 1 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2641467 + ... + 2643950.

It is an arithmetic number, because the mean of its divisors is an integer number (475687620).

Almost surely, 2^6564487914 is an apocalyptic number.

6564487914 is an abundant number, since it is smaller than the sum of its proper divisors (8657515926).

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

6564487914 is a wasteful number, since it uses less digits than its factorization.

6564487914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285451 (or 5285445 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 6564487914 is about 81021.5274726415. The cubic root of 6564487914 is about 1872.4071219640.

The spelling of 6564487914 in words is "six billion, five hundred sixty-four million, four hundred eighty-seven thousand, nine hundred fourteen".