205289792093 has 2 divisors, whose sum is σ = 205289792094. Its totient is φ = 205289792092.

The previous prime is 205289792041. The next prime is 205289792101. The reversal of 205289792093 is 390297982502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159710531044 + 45579261049 = 399638^2 + 213493^2 .

It is a cyclic number.

It is not a de Polignac number, because 205289792093 - 2¹⁴ = 205289775709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205289792593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102644896046 + 102644896047.

It is an arithmetic number, because the mean of its divisors is an integer number (102644896047).

Almost surely, 2^205289792093 is an apocalyptic number.

It is an amenable number.

205289792093 is a deficient number, since it is larger than the sum of its proper divisors (1).

205289792093 is an equidigital number, since it uses as much as digits as its factorization.

205289792093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 205289792093 in words is "two hundred five billion, two hundred eighty-nine million, seven hundred ninety-two thousand, ninety-three".