429040289 has 2 divisors, whose sum is σ = 429040290. Its totient is φ = 429040288.

The previous prime is 429040211. The next prime is 429040301. The reversal of 429040289 is 982040924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214915600 + 214124689 = 14660^2 + 14633^2 .

It is a cyclic number.

It is not a de Polignac number, because 429040289 - 2²⁰ = 427991713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (429040189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214520144 + 214520145.

It is an arithmetic number, because the mean of its divisors is an integer number (214520145).

Almost surely, 2^429040289 is an apocalyptic number.

It is an amenable number.

429040289 is a deficient number, since it is larger than the sum of its proper divisors (1).

429040289 is an equidigital number, since it uses as much as digits as its factorization.

429040289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 429040289 is about 20713.2877399992. The cubic root of 429040289 is about 754.2222823543. Note that the first 4 decimals are identical.

The spelling of 429040289 in words is "four hundred twenty-nine million, forty thousand, two hundred eighty-nine".