8447099911069 has 2 divisors, whose sum is σ = 8447099911070. Its totient is φ = 8447099911068.

The previous prime is 8447099911039. The next prime is 8447099911087. The reversal of 8447099911069 is 9601199907448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8334693938169 + 112405972900 = 2886987^2 + 335270^2 .

It is a cyclic number.

It is not a de Polignac number, because 8447099911069 - 2¹⁷ = 8447099779997 is a prime.

It is a super-2 number, since 2×8447099911069² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8447099910995 and 8447099911013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8447099911039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4223549955534 + 4223549955535.

It is an arithmetic number, because the mean of its divisors is an integer number (4223549955535).

Almost surely, 2^{8447099911069} is an apocalyptic number.

It is an amenable number.

8447099911069 is a deficient number, since it is larger than the sum of its proper divisors (1).

8447099911069 is an equidigital number, since it uses as much as digits as its factorization.

8447099911069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 67.

The spelling of 8447099911069 in words is "eight trillion, four hundred forty-seven billion, ninety-nine million, nine hundred eleven thousand, sixty-nine".