557205206693 has 2 divisors, whose sum is σ = 557205206694. Its totient is φ = 557205206692.

The previous prime is 557205206683. The next prime is 557205206731. The reversal of 557205206693 is 396602502755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515318672449 + 41886534244 = 717857^2 + 204662^2 .

It is a cyclic number.

It is not a de Polignac number, because 557205206693 - 2¹⁴ = 557205190309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557205206683) 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, 278602603346 + 278602603347.

It is an arithmetic number, because the mean of its divisors is an integer number (278602603347).

Almost surely, 2^557205206693 is an apocalyptic number.

It is an amenable number.

557205206693 is a deficient number, since it is larger than the sum of its proper divisors (1).

557205206693 is an equidigital number, since it uses as much as digits as its factorization.

557205206693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 50.

The spelling of 557205206693 in words is "five hundred fifty-seven billion, two hundred five million, two hundred six thousand, six hundred ninety-three".