6564636212 has 12 divisors (see below), whose sum is σ = 11564194656. Its totient is φ = 3260580600.

The previous prime is 6564636203. The next prime is 6564636259. The reversal of 6564636212 is 2126364656.

It is a happy number.

It is a super-3 number, since 3×6564636212³ (a number of 30 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6564636212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5433698 + ... + 5434905.

It is an arithmetic number, because the mean of its divisors is an integer number (963682888).

Almost surely, 2^6564636212 is an apocalyptic number.

It is an amenable number.

6564636212 is a deficient number, since it is larger than the sum of its proper divisors (4999558444).

6564636212 is a wasteful number, since it uses less digits than its factorization.

6564636212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10868758 (or 10868756 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 6564636212 is about 81022.4426439983. The cubic root of 6564636212 is about 1872.4212216747.

The spelling of 6564636212 in words is "six billion, five hundred sixty-four million, six hundred thirty-six thousand, two hundred twelve".