556974685922 has 18 divisors (see below), whose sum is σ = 837810093729. Its totient is φ = 277706846560.

The previous prime is 556974685921. The next prime is 556974685963. The reversal of 556974685922 is 229586479655.

It is a happy number.

556974685922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 490323453361 + 66651232561 = 700231^2 + 258169^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=527719.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556974685921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 632206922 + ... + 632207802.

Almost surely, 2^556974685922 is an apocalyptic number.

556974685922 is a deficient number, since it is larger than the sum of its proper divisors (280835407807).

556974685922 is an frugal number, since it uses more digits than its factorization.

556974685922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 1482 counting only the distinct ones).

The product of its digits is 326592000, while the sum is 68.

The spelling of 556974685922 in words is "five hundred fifty-six billion, nine hundred seventy-four million, six hundred eighty-five thousand, nine hundred twenty-two".