8028932909 has 2 divisors, whose sum is σ = 8028932910. Its totient is φ = 8028932908.

The previous prime is 8028932887. The next prime is 8028932921. The reversal of 8028932909 is 9092398208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5324620900 + 2704312009 = 72970^2 + 52003^2 .

It is a cyclic number.

It is not a de Polignac number, because 8028932909 - 2¹² = 8028928813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8028932969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4014466454 + 4014466455.

It is an arithmetic number, because the mean of its divisors is an integer number (4014466455).

Almost surely, 2^8028932909 is an apocalyptic number.

It is an amenable number.

8028932909 is a deficient number, since it is larger than the sum of its proper divisors (1).

8028932909 is an equidigital number, since it uses as much as digits as its factorization.

8028932909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 8028932909 is about 89604.3130044531. The cubic root of 8028932909 is about 2002.4081749329.

The spelling of 8028932909 in words is "eight billion, twenty-eight million, nine hundred thirty-two thousand, nine hundred nine".