2805382205 has 16 divisors (see below), whose sum is σ = 3545762880. Its totient is φ = 2124911232.

The previous prime is 2805382199. The next prime is 2805382213. The reversal of 2805382205 is 5022835082.

It is a cyclic number.

It is not a de Polignac number, because 2805382205 - 2⁶ = 2805382141 is a prime.

It is a super-2 number, since 2×2805382205² = 15740338632261324050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169457 + ... + 185273.

It is an arithmetic number, because the mean of its divisors is an integer number (221610180).

Almost surely, 2^2805382205 is an apocalyptic number.

It is an amenable number.

2805382205 is a deficient number, since it is larger than the sum of its proper divisors (740380675).

2805382205 is a wasteful number, since it uses less digits than its factorization.

2805382205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17708.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 2805382205 is about 52965.8588621010. The cubic root of 2805382205 is about 1410.3622637742.

The spelling of 2805382205 in words is "two billion, eight hundred five million, three hundred eighty-two thousand, two hundred five".