424210009 has 2 divisors, whose sum is σ = 424210010. Its totient is φ = 424210008.

The previous prime is 424209997. The next prime is 424210037. The reversal of 424210009 is 900012424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237067609 + 187142400 = 15397^2 + 13680^2 .

It is a cyclic number.

It is not a de Polignac number, because 424210009 - 2¹⁹ = 423685721 is a prime.

It is not a weakly prime, because it can be changed into another prime (424210049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212105004 + 212105005.

It is an arithmetic number, because the mean of its divisors is an integer number (212105005).

Almost surely, 2^424210009 is an apocalyptic number.

It is an amenable number.

424210009 is a deficient number, since it is larger than the sum of its proper divisors (1).

424210009 is an equidigital number, since it uses as much as digits as its factorization.

424210009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 424210009 is about 20596.3591199998. The cubic root of 424210009 is about 751.3811639904.

The spelling of 424210009 in words is "four hundred twenty-four million, two hundred ten thousand, nine".