206848144485049 has 2 divisors, whose sum is σ = 206848144485050. Its totient is φ = 206848144485048.

The previous prime is 206848144485043. The next prime is 206848144485089. The reversal of 206848144485049 is 940584441848602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151838584398400 + 55009560086649 = 12322280^2 + 7416843^2 .

It is a cyclic number.

It is not a de Polignac number, because 206848144485049 - 2¹⁵ = 206848144452281 is a prime.

It is not a weakly prime, because it can be changed into another prime (206848144485043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103424072242524 + 103424072242525.

It is an arithmetic number, because the mean of its divisors is an integer number (103424072242525).

Almost surely, 2^{206848144485049} is an apocalyptic number.

It is an amenable number.

206848144485049 is a deficient number, since it is larger than the sum of its proper divisors (1).

206848144485049 is an equidigital number, since it uses as much as digits as its factorization.

206848144485049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283115520, while the sum is 67.

The spelling of 206848144485049 in words is "two hundred six trillion, eight hundred forty-eight billion, one hundred forty-four million, four hundred eighty-five thousand, forty-nine".