206050768739 has 2 divisors, whose sum is σ = 206050768740. Its totient is φ = 206050768738.

The previous prime is 206050768699. The next prime is 206050768747. The reversal of 206050768739 is 937867050602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206050768739 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (206050762739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103025384369 + 103025384370.

It is an arithmetic number, because the mean of its divisors is an integer number (103025384370).

Almost surely, 2^206050768739 is an apocalyptic number.

206050768739 is a deficient number, since it is larger than the sum of its proper divisors (1).

206050768739 is an equidigital number, since it uses as much as digits as its factorization.

206050768739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 206050768739 in words is "two hundred six billion, fifty million, seven hundred sixty-eight thousand, seven hundred thirty-nine".