556555204193 has 2 divisors, whose sum is σ = 556555204194. Its totient is φ = 556555204192.

The previous prime is 556555204181. The next prime is 556555204273. The reversal of 556555204193 is 391402555655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545128235584 + 11426968609 = 738328^2 + 106897^2 .

It is a cyclic number.

It is not a de Polignac number, because 556555204193 - 2¹⁴ = 556555187809 is a prime.

It is not a weakly prime, because it can be changed into another prime (556555204133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278277602096 + 278277602097.

It is an arithmetic number, because the mean of its divisors is an integer number (278277602097).

Almost surely, 2^556555204193 is an apocalyptic number.

It is an amenable number.

556555204193 is a deficient number, since it is larger than the sum of its proper divisors (1).

556555204193 is an equidigital number, since it uses as much as digits as its factorization.

556555204193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 556555204193 in words is "five hundred fifty-six billion, five hundred fifty-five million, two hundred four thousand, one hundred ninety-three".