2808522345 has 48 divisors (see below), whose sum is σ = 4755810816. Its totient is φ = 1413811200.

The previous prime is 2808522319. The next prime is 2808522347. The reversal of 2808522345 is 5432258082.

It is not a de Polignac number, because 2808522345 - 2⁷ = 2808522217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2808522347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 779869 + ... + 783461.

It is an arithmetic number, because the mean of its divisors is an integer number (99079392).

Almost surely, 2^2808522345 is an apocalyptic number.

It is an amenable number.

2808522345 is a deficient number, since it is larger than the sum of its proper divisors (1947288471).

2808522345 is a wasteful number, since it uses less digits than its factorization.

2808522345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The square root of 2808522345 is about 52995.4936291757. The cubic root of 2808522345 is about 1410.8882864051. Note that the first 3 decimals are identical.

The spelling of 2808522345 in words is "two billion, eight hundred eight million, five hundred twenty-two thousand, three hundred forty-five".