4223564565506 has 64 divisors (see below), whose sum is σ = 7458718861440. Its totient is φ = 1768367946240.

The previous prime is 4223564565481. The next prime is 4223564565581. The reversal of 4223564565506 is 6055654653224.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364314446 + ... + 364326038.

It is an arithmetic number, because the mean of its divisors is an integer number (116542482210).

Almost surely, 2^{4223564565506} is an apocalyptic number.

4223564565506 is a deficient number, since it is larger than the sum of its proper divisors (3235154295934).

4223564565506 is a wasteful number, since it uses less digits than its factorization.

4223564565506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14211.

The product of its (nonzero) digits is 25920000, while the sum is 53.

The spelling of 4223564565506 in words is "four trillion, two hundred twenty-three billion, five hundred sixty-four million, five hundred sixty-five thousand, five hundred six".