9028888409 has 2 divisors, whose sum is σ = 9028888410. Its totient is φ = 9028888408.

The previous prime is 9028888403. The next prime is 9028888439. The reversal of 9028888409 is 9048888209.

9028888409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9003163225 + 25725184 = 94885^2 + 5072^2 .

It is an emirp because it is prime and its reverse (9048888209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9028888409 - 2⁸ = 9028888153 is a prime.

It is not a weakly prime, because it can be changed into another prime (9028888403) 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, 4514444204 + 4514444205.

It is an arithmetic number, because the mean of its divisors is an integer number (4514444205).

Almost surely, 2^9028888409 is an apocalyptic number.

It is an amenable number.

9028888409 is a deficient number, since it is larger than the sum of its proper divisors (1).

9028888409 is an equidigital number, since it uses as much as digits as its factorization.

9028888409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 56.

The square root of 9028888409 is about 95020.4631066382. The cubic root of 9028888409 is about 2082.3070131832.

The spelling of 9028888409 in words is "nine billion, twenty-eight million, eight hundred eighty-eight thousand, four hundred nine".