429943429 has 2 divisors, whose sum is σ = 429943430. Its totient is φ = 429943428.

The previous prime is 429943421. The next prime is 429943487. The reversal of 429943429 is 924349924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412496100 + 17447329 = 20310^2 + 4177^2 .

It is a cyclic number.

It is not a de Polignac number, because 429943429 - 2³ = 429943421 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 (429943421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214971714 + 214971715.

It is an arithmetic number, because the mean of its divisors is an integer number (214971715).

Almost surely, 2^429943429 is an apocalyptic number.

It is an amenable number.

429943429 is a deficient number, since it is larger than the sum of its proper divisors (1).

429943429 is an equidigital number, since it uses as much as digits as its factorization.

429943429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 46.

The square root of 429943429 is about 20735.0772605264. The cubic root of 429943429 is about 754.7511300556.

The spelling of 429943429 in words is "four hundred twenty-nine million, nine hundred forty-three thousand, four hundred twenty-nine".