205650058249 has 2 divisors, whose sum is σ = 205650058250. Its totient is φ = 205650058248.

The previous prime is 205650058153. The next prime is 205650058259. The reversal of 205650058249 is 942850056502.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182756250000 + 22893808249 = 427500^2 + 151307^2 .

It is a cyclic number.

It is not a de Polignac number, because 205650058249 - 2¹¹ = 205650056201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205650058199 and 205650058208.

It is not a weakly prime, because it can be changed into another prime (205650058259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102825029124 + 102825029125.

It is an arithmetic number, because the mean of its divisors is an integer number (102825029125).

Almost surely, 2^205650058249 is an apocalyptic number.

It is an amenable number.

205650058249 is a deficient number, since it is larger than the sum of its proper divisors (1).

205650058249 is an equidigital number, since it uses as much as digits as its factorization.

205650058249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 205650058249 in words is "two hundred five billion, six hundred fifty million, fifty-eight thousand, two hundred forty-nine".