2808645682 has 8 divisors (see below), whose sum is σ = 4236505200. Its totient is φ = 1396477284.

The previous prime is 2808645661. The next prime is 2808645703. The reversal of 2808645682 is 2865468082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2808645661) and next prime (2808645703).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3922332 + ... + 3923047.

It is an arithmetic number, because the mean of its divisors is an integer number (529563150).

Almost surely, 2^2808645682 is an apocalyptic number.

2808645682 is a deficient number, since it is larger than the sum of its proper divisors (1427859518).

2808645682 is a wasteful number, since it uses less digits than its factorization.

2808645682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845560.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The square root of 2808645682 is about 52996.6572719450. The cubic root of 2808645682 is about 1410.9089392799.

The spelling of 2808645682 in words is "two billion, eight hundred eight million, six hundred forty-five thousand, six hundred eighty-two".