9805069 has 2 divisors, whose sum is σ = 9805070. Its totient is φ = 9805068.

The previous prime is 9805067. The next prime is 9805091. The reversal of 9805069 is 9605089.

9805069 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., 5943844 + 3861225 = 2438^2 + 1965^2 .

It is a cyclic number.

It is not a de Polignac number, because 9805069 - 2¹ = 9805067 is a prime.

It is a super-2 number, since 2×9805069² = 192278756189522, which contains 22 as substring.

Together with 9805067, it forms a pair of twin primes.

9805069 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9805063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4902534 + 4902535.

It is an arithmetic number, because the mean of its divisors is an integer number (4902535).

Almost surely, 2^9805069 is an apocalyptic number.

It is an amenable number.

9805069 is a deficient number, since it is larger than the sum of its proper divisors (1).

9805069 is an equidigital number, since it uses as much as digits as its factorization.

9805069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 9805069 is about 3131.3046801613. The cubic root of 9805069 is about 214.0343861244.

The spelling of 9805069 in words is "nine million, eight hundred five thousand, sixty-nine".