2868224809 has 2 divisors, whose sum is σ = 2868224810. Its totient is φ = 2868224808.

The previous prime is 2868224791. The next prime is 2868224813. The reversal of 2868224809 is 9084228682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2859254784 + 8970025 = 53472^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2868224809 - 2¹¹ = 2868222761 is a prime.

It is not a weakly prime, because it can be changed into another prime (2868224839) 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 as a sum of consecutive naturals, namely, 1434112404 + 1434112405.

It is an arithmetic number, because the mean of its divisors is an integer number (1434112405).

Almost surely, 2^2868224809 is an apocalyptic number.

It is an amenable number.

2868224809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2868224809 is an equidigital number, since it uses as much as digits as its factorization.

2868224809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 2868224809 is about 53555.8102263424. The cubic root of 2868224809 is about 1420.8156408132.

The spelling of 2868224809 in words is "two billion, eight hundred sixty-eight million, two hundred twenty-four thousand, eight hundred nine".