434242429 has 2 divisors, whose sum is σ = 434242430. Its totient is φ = 434242428.

The previous prime is 434242427. The next prime is 434242453. The reversal of 434242429 is 924242434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304328025 + 129914404 = 17445^2 + 11398^2 .

It is a cyclic number.

It is not a de Polignac number, because 434242429 - 2¹ = 434242427 is a prime.

Together with 434242427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 434242394 and 434242403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434242427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217121214 + 217121215.

It is an arithmetic number, because the mean of its divisors is an integer number (217121215).

Almost surely, 2^434242429 is an apocalyptic number.

It is an amenable number.

434242429 is a deficient number, since it is larger than the sum of its proper divisors (1).

434242429 is an equidigital number, since it uses as much as digits as its factorization.

434242429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 34.

The square root of 434242429 is about 20838.4843258813. The cubic root of 434242429 is about 757.2583748663.

The spelling of 434242429 in words is "four hundred thirty-four million, two hundred forty-two thousand, four hundred twenty-nine".