556206433513 has 2 divisors, whose sum is σ = 556206433514. Its totient is φ = 556206433512.

The previous prime is 556206433463. The next prime is 556206433529. The reversal of 556206433513 is 315334602655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556199740944 + 6692569 = 745788^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 556206433513 - 2²⁵ = 556172879081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556206433513.

It is not a weakly prime, because it can be changed into another prime (556206433213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278103216756 + 278103216757.

It is an arithmetic number, because the mean of its divisors is an integer number (278103216757).

Almost surely, 2^556206433513 is an apocalyptic number.

It is an amenable number.

556206433513 is a deficient number, since it is larger than the sum of its proper divisors (1).

556206433513 is an equidigital number, since it uses as much as digits as its factorization.

556206433513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 556206433513 in words is "five hundred fifty-six billion, two hundred six million, four hundred thirty-three thousand, five hundred thirteen".