434345609 has 2 divisors, whose sum is σ = 434345610. Its totient is φ = 434345608.

The previous prime is 434345599. The next prime is 434345617. The reversal of 434345609 is 906543434.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219869584 + 214476025 = 14828^2 + 14645^2 .

It is a cyclic number.

It is not a de Polignac number, because 434345609 - 2¹² = 434341513 is a prime.

It is a super-2 number, since 2×434345609² = 377312216115161762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (434345629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217172804 + 217172805.

It is an arithmetic number, because the mean of its divisors is an integer number (217172805).

Almost surely, 2^434345609 is an apocalyptic number.

It is an amenable number.

434345609 is a deficient number, since it is larger than the sum of its proper divisors (1).

434345609 is an equidigital number, since it uses as much as digits as its factorization.

434345609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 434345609 is about 20840.9598867231. The cubic root of 434345609 is about 757.3183473043.

The spelling of 434345609 in words is "four hundred thirty-four million, three hundred forty-five thousand, six hundred nine".