2808025009 has 2 divisors, whose sum is σ = 2808025010. Its totient is φ = 2808025008.

The previous prime is 2808024931. The next prime is 2808025019. The reversal of 2808025009 is 9005208082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2610903409 + 197121600 = 51097^2 + 14040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2808025009 - 2⁷ = 2808024881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2808025019) by changing a digit.

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 as a sum of consecutive naturals, namely, 1404012504 + 1404012505.

It is an arithmetic number, because the mean of its divisors is an integer number (1404012505).

Almost surely, 2^2808025009 is an apocalyptic number.

It is an amenable number.

2808025009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2808025009 is an equidigital number, since it uses as much as digits as its factorization.

2808025009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 2808025009 is about 52990.8011734112. The cubic root of 2808025009 is about 1410.8050009768.

The spelling of 2808025009 in words is "two billion, eight hundred eight million, twenty-five thousand, nine".