556228056969 has 20 divisors (see below), whose sum is σ = 894824625156. Its totient is φ = 342294188256.

The previous prime is 556228056959. The next prime is 556228056971. The reversal of 556228056969 is 969650822655.

556228056969 is a `hidden beast` number, since 5 + 5 + 6 + 2 + 2 + 8 + 0 + 569 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 150571161225 + 405656895744 = 388035^2 + 636912^2 .

It is not a de Polignac number, because 556228056969 - 2¹² = 556228052873 is a prime.

It is a super-2 number, since 2×556228056969² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (556228056959) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 264114834 + ... + 264116939.

Almost surely, 2^556228056969 is an apocalyptic number.

It is an amenable number.

556228056969 is a deficient number, since it is larger than the sum of its proper divisors (338596568187).

556228056969 is a wasteful number, since it uses less digits than its factorization.

556228056969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528231798 (or 528231789 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 63.

The spelling of 556228056969 in words is "five hundred fifty-six billion, two hundred twenty-eight million, fifty-six thousand, nine hundred sixty-nine".