4109969 has 2 divisors, whose sum is σ = 4109970. Its totient is φ = 4109968.

The previous prime is 4109957. The next prime is 4110017. The reversal of 4109969 is 9699014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3940225 + 169744 = 1985^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 4109969 - 2⁴ = 4109953 is a prime.

It is a super-2 number, since 2×4109969² = 33783690361922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4109929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2054984 + 2054985.

It is an arithmetic number, because the mean of its divisors is an integer number (2054985).

Almost surely, 2^4109969 is an apocalyptic number.

It is an amenable number.

4109969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4109969 is an equidigital number, since it uses as much as digits as its factorization.

4109969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 4109969 is about 2027.3058476707. The cubic root of 4109969 is about 160.1816816414.

The spelling of 4109969 in words is "four million, one hundred nine thousand, nine hundred sixty-nine".