2082805939 has 2 divisors, whose sum is σ = 2082805940. Its totient is φ = 2082805938.

The previous prime is 2082805909. The next prime is 2082806003. The reversal of 2082805939 is 9395082802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2082805939 - 2⁹ = 2082805427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2082805909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041402969 + 1041402970.

It is an arithmetic number, because the mean of its divisors is an integer number (1041402970).

Almost surely, 2^2082805939 is an apocalyptic number.

2082805939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2082805939 is an equidigital number, since it uses as much as digits as its factorization.

2082805939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 2082805939 is about 45637.7687776254. The cubic root of 2082805939 is about 1277.0746056265.

The spelling of 2082805939 in words is "two billion, eighty-two million, eight hundred five thousand, nine hundred thirty-nine".