206124058249 has 2 divisors, whose sum is σ = 206124058250. Its totient is φ = 206124058248.

The previous prime is 206124058223. The next prime is 206124058277. The reversal of 206124058249 is 942850421602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132597939600 + 73526118649 = 364140^2 + 271157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206124058249 is a prime.

It is not a weakly prime, because it can be changed into another prime (206124058279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103062029124 + 103062029125.

It is an arithmetic number, because the mean of its divisors is an integer number (103062029125).

Almost surely, 2^206124058249 is an apocalyptic number.

It is an amenable number.

206124058249 is a deficient number, since it is larger than the sum of its proper divisors (1).

206124058249 is an equidigital number, since it uses as much as digits as its factorization.

206124058249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 206124058249 in words is "two hundred six billion, one hundred twenty-four million, fifty-eight thousand, two hundred forty-nine".