434102309 has 2 divisors, whose sum is σ = 434102310. Its totient is φ = 434102308.

The previous prime is 434102303. The next prime is 434102351. The reversal of 434102309 is 903201434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291658084 + 142444225 = 17078^2 + 11935^2 .

It is a cyclic number.

It is not a de Polignac number, because 434102309 - 2¹⁶ = 434036773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434102303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217051154 + 217051155.

It is an arithmetic number, because the mean of its divisors is an integer number (217051155).

Almost surely, 2^434102309 is an apocalyptic number.

It is an amenable number.

434102309 is a deficient number, since it is larger than the sum of its proper divisors (1).

434102309 is an equidigital number, since it uses as much as digits as its factorization.

434102309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 434102309 is about 20835.1220058823. The cubic root of 434102309 is about 757.1769161763.

The spelling of 434102309 in words is "four hundred thirty-four million, one hundred two thousand, three hundred nine".