6564047226 has 32 divisors (see below), whose sum is σ = 14412800448. Its totient is φ = 1976432640.

The previous prime is 6564047209. The next prime is 6564047227. The reversal of 6564047226 is 6227404656.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6564047227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306375 + ... + 327098.

It is an arithmetic number, because the mean of its divisors is an integer number (450400014).

Almost surely, 2^6564047226 is an apocalyptic number.

6564047226 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6564047226 is an abundant number, since it is smaller than the sum of its proper divisors (7848753222).

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

6564047226 is a wasteful number, since it uses less digits than its factorization.

6564047226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633646.

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 6564047226 is about 81018.8078534855. The cubic root of 6564047226 is about 1872.3652214723.

The spelling of 6564047226 in words is "six billion, five hundred sixty-four million, forty-seven thousand, two hundred twenty-six".