429422429 has 2 divisors, whose sum is σ = 429422430. Its totient is φ = 429422428.

The previous prime is 429422417. The next prime is 429422449. The reversal of 429422429 is 924224924.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285542404 + 143880025 = 16898^2 + 11995^2 .

It is a cyclic number.

It is not a de Polignac number, because 429422429 - 2¹² = 429418333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 429422392 and 429422401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429422449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214711214 + 214711215.

It is an arithmetic number, because the mean of its divisors is an integer number (214711215).

Almost surely, 2^429422429 is an apocalyptic number.

It is an amenable number.

429422429 is a deficient number, since it is larger than the sum of its proper divisors (1).

429422429 is an equidigital number, since it uses as much as digits as its factorization.

429422429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 429422429 is about 20722.5102002629. The cubic root of 429422429 is about 754.4461408761.

The spelling of 429422429 in words is "four hundred twenty-nine million, four hundred twenty-two thousand, four hundred twenty-nine".