206848144484939 has 2 divisors, whose sum is σ = 206848144484940. Its totient is φ = 206848144484938.

The previous prime is 206848144484903. The next prime is 206848144484999. The reversal of 206848144484939 is 939484441848602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206848144484939 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (206848144484999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103424072242469 + 103424072242470.

It is an arithmetic number, because the mean of its divisors is an integer number (103424072242470).

Almost surely, 2^{206848144484939} is an apocalyptic number.

206848144484939 is a deficient number, since it is larger than the sum of its proper divisors (1).

206848144484939 is an equidigital number, since it uses as much as digits as its factorization.

206848144484939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1528823808, while the sum is 74.

The spelling of 206848144484939 in words is "two hundred six trillion, eight hundred forty-eight billion, one hundred forty-four million, four hundred eighty-four thousand, nine hundred thirty-nine".