556226605213 has 2 divisors, whose sum is σ = 556226605214. Its totient is φ = 556226605212.

The previous prime is 556226605163. The next prime is 556226605229. The reversal of 556226605213 is 312506622655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505539486169 + 50687119044 = 711013^2 + 225138^2 .

It is a cyclic number.

It is not a de Polignac number, because 556226605213 - 2²¹ = 556224508061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556226605213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556226605273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278113302606 + 278113302607.

It is an arithmetic number, because the mean of its divisors is an integer number (278113302607).

Almost surely, 2^556226605213 is an apocalyptic number.

It is an amenable number.

556226605213 is a deficient number, since it is larger than the sum of its proper divisors (1).

556226605213 is an equidigital number, since it uses as much as digits as its factorization.

556226605213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 556226605213 in words is "five hundred fifty-six billion, two hundred twenty-six million, six hundred five thousand, two hundred thirteen".