429568129 has 2 divisors, whose sum is σ = 429568130. Its totient is φ = 429568128.

The previous prime is 429568103. The next prime is 429568133. The reversal of 429568129 is 921865924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267387904 + 162180225 = 16352^2 + 12735^2 .

It is a cyclic number.

It is not a de Polignac number, because 429568129 - 2⁷ = 429568001 is a prime.

It is not a weakly prime, because it can be changed into another prime (429568199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214784064 + 214784065.

It is an arithmetic number, because the mean of its divisors is an integer number (214784065).

Almost surely, 2^429568129 is an apocalyptic number.

It is an amenable number.

429568129 is a deficient number, since it is larger than the sum of its proper divisors (1).

429568129 is an equidigital number, since it uses as much as digits as its factorization.

429568129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 429568129 is about 20726.0254028600. The cubic root of 429568129 is about 754.5314573117.

The spelling of 429568129 in words is "four hundred twenty-nine million, five hundred sixty-eight thousand, one hundred twenty-nine".