424343429 has 2 divisors, whose sum is σ = 424343430. Its totient is φ = 424343428.

The previous prime is 424343411. The next prime is 424343441. The reversal of 424343429 is 924343424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250367329 + 173976100 = 15823^2 + 13190^2 .

It is a cyclic number.

It is not a de Polignac number, because 424343429 - 2⁸ = 424343173 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424340429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212171714 + 212171715.

It is an arithmetic number, because the mean of its divisors is an integer number (212171715).

Almost surely, 2^424343429 is an apocalyptic number.

It is an amenable number.

424343429 is a deficient number, since it is larger than the sum of its proper divisors (1).

424343429 is an equidigital number, since it uses as much as digits as its factorization.

424343429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 35.

The square root of 424343429 is about 20599.5977873356. The cubic root of 424343429 is about 751.4599290397.

The spelling of 424343429 in words is "four hundred twenty-four million, three hundred forty-three thousand, four hundred twenty-nine".