4199009 has 2 divisors, whose sum is σ = 4199010. Its totient is φ = 4199008.

The previous prime is 4199003. The next prime is 4199021. The reversal of 4199009 is 9009914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3621409 + 577600 = 1903^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 4199009 - 2¹⁶ = 4133473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4199003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2099504 + 2099505.

It is an arithmetic number, because the mean of its divisors is an integer number (2099505).

Almost surely, 2^4199009 is an apocalyptic number.

It is an amenable number.

4199009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4199009 is an equidigital number, since it uses as much as digits as its factorization.

4199009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 4199009 is about 2049.1483596851. The cubic root of 4199009 is about 161.3301738599.

The spelling of 4199009 in words is "four million, one hundred ninety-nine thousand, nine".