8264443009 has 2 divisors, whose sum is σ = 8264443010. Its totient is φ = 8264443008.

The previous prime is 8264442943. The next prime is 8264443039. The reversal of 8264443009 is 9003444628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7631769600 + 632673409 = 87360^2 + 25153^2 .

It is a cyclic number.

It is not a de Polignac number, because 8264443009 - 2²¹ = 8262345857 is a prime.

It is not a weakly prime, because it can be changed into another prime (8264443039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4132221504 + 4132221505.

It is an arithmetic number, because the mean of its divisors is an integer number (4132221505).

Almost surely, 2^8264443009 is an apocalyptic number.

It is an amenable number.

8264443009 is a deficient number, since it is larger than the sum of its proper divisors (1).

8264443009 is an equidigital number, since it uses as much as digits as its factorization.

8264443009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 8264443009 is about 90908.9820039802. The cubic root of 8264443009 is about 2021.7984676501.

The spelling of 8264443009 in words is "eight billion, two hundred sixty-four million, four hundred forty-three thousand, nine".