429512869 has 2 divisors, whose sum is σ = 429512870. Its totient is φ = 429512868.

The previous prime is 429512791. The next prime is 429512893. The reversal of 429512869 is 968215924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409576644 + 19936225 = 20238^2 + 4465^2 .

It is a cyclic number.

It is not a de Polignac number, because 429512869 - 2⁹ = 429512357 is a prime.

It is a super-2 number, since 2×429512869² = 368962609273222322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429510869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214756434 + 214756435.

It is an arithmetic number, because the mean of its divisors is an integer number (214756435).

Almost surely, 2^429512869 is an apocalyptic number.

It is an amenable number.

429512869 is a deficient number, since it is larger than the sum of its proper divisors (1).

429512869 is an equidigital number, since it uses as much as digits as its factorization.

429512869 is an odious number, because the sum of its binary digits is odd.

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

The square root of 429512869 is about 20724.6922534449. The cubic root of 429512869 is about 754.4991014070.

The spelling of 429512869 in words is "four hundred twenty-nine million, five hundred twelve thousand, eight hundred sixty-nine".