4223564986 has 12 divisors (see below), whose sum is σ = 6686337402. Its totient is φ = 2000635704.

The previous prime is 4223564977. The next prime is 4223564993. The reversal of 4223564986 is 6894653224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3824804025 + 398760961 = 61845^2 + 19969^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2924185 + ... + 2925628.

Almost surely, 2^4223564986 is an apocalyptic number.

4223564986 is a deficient number, since it is larger than the sum of its proper divisors (2462772416).

4223564986 is a wasteful number, since it uses less digits than its factorization.

4223564986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849853 (or 5849834 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The square root of 4223564986 is about 64988.9604933022. The cubic root of 4223564986 is about 1616.4405140462.

The spelling of 4223564986 in words is "four billion, two hundred twenty-three million, five hundred sixty-four thousand, nine hundred eighty-six".