2818506868 has 24 divisors (see below), whose sum is σ = 5124417480. Its totient is φ = 1354805760.

The previous prime is 2818506799. The next prime is 2818506869. The reversal of 2818506868 is 8686058182.

It can be written as a sum of positive squares in 4 ways, for example, as 100761444 + 2717745424 = 10038^2 + 52132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818506869) 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 7 ways as a sum of consecutive naturals, for example, 25113 + ... + 79168.

It is an arithmetic number, because the mean of its divisors is an integer number (213517395).

Almost surely, 2^2818506868 is an apocalyptic number.

It is an amenable number.

2818506868 is a deficient number, since it is larger than the sum of its proper divisors (2305910612).

2818506868 is a wasteful number, since it uses less digits than its factorization.

2818506868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104547 (or 104545 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The square root of 2818506868 is about 53089.6116768620. The cubic root of 2818506868 is about 1412.5582494891.

The spelling of 2818506868 in words is "two billion, eight hundred eighteen million, five hundred six thousand, eight hundred sixty-eight".