434124409 has 2 divisors, whose sum is σ = 434124410. Its totient is φ = 434124408.

The previous prime is 434124401. The next prime is 434124443. The reversal of 434124409 is 904421434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430438009 + 3686400 = 20747^2 + 1920^2 .

It is a cyclic number.

It is not a de Polignac number, because 434124409 - 2³ = 434124401 is a prime.

It is not a weakly prime, because it can be changed into another prime (434124401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217062204 + 217062205.

It is an arithmetic number, because the mean of its divisors is an integer number (217062205).

Almost surely, 2^434124409 is an apocalyptic number.

It is an amenable number.

434124409 is a deficient number, since it is larger than the sum of its proper divisors (1).

434124409 is an equidigital number, since it uses as much as digits as its factorization.

434124409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 434124409 is about 20835.6523535981. The cubic root of 434124409 is about 757.1897651641.

The spelling of 434124409 in words is "four hundred thirty-four million, one hundred twenty-four thousand, four hundred nine".