205655182586093 has 2 divisors, whose sum is σ = 205655182586094. Its totient is φ = 205655182586092.

The previous prime is 205655182586089. The next prime is 205655182586141. The reversal of 205655182586093 is 390685281556502.

205655182586093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193817990953609 + 11837191632484 = 13921853^2 + 3440522^2 .

It is a cyclic number.

It is not a de Polignac number, because 205655182586093 - 2² = 205655182586089 is a prime.

It is a super-2 number, since 2×205655182586093² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205655182556093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102827591293046 + 102827591293047.

It is an arithmetic number, because the mean of its divisors is an integer number (102827591293047).

Almost surely, 2^{205655182586093} is an apocalyptic number.

It is an amenable number.

205655182586093 is a deficient number, since it is larger than the sum of its proper divisors (1).

205655182586093 is an equidigital number, since it uses as much as digits as its factorization.

205655182586093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520000, while the sum is 65.

The spelling of 205655182586093 in words is "two hundred five trillion, six hundred fifty-five billion, one hundred eighty-two million, five hundred eighty-six thousand, ninety-three".