6564365706530 has 16 divisors (see below), whose sum is σ = 11853851390784. Its totient is φ = 2617303367280.

The previous prime is 6564365706497. The next prime is 6564365706581. The reversal of 6564365706530 is 356075634656.

It is a happy 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, 1055361152 + ... + 1055367371.

It is an arithmetic number, because the mean of its divisors is an integer number (740865711924).

Almost surely, 2^{6564365706530} is an apocalyptic number.

6564365706530 is a deficient number, since it is larger than the sum of its proper divisors (5289485684254).

6564365706530 is a wasteful number, since it uses less digits than its factorization.

6564365706530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110728841.

The product of its (nonzero) digits is 40824000, while the sum is 56.

The spelling of 6564365706530 in words is "six trillion, five hundred sixty-four billion, three hundred sixty-five million, seven hundred six thousand, five hundred thirty".