429684289 has 2 divisors, whose sum is σ = 429684290. Its totient is φ = 429684288.

The previous prime is 429684247. The next prime is 429684317. The reversal of 429684289 is 982486924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283080625 + 146603664 = 16825^2 + 12108^2 .

It is a cyclic number.

It is not a de Polignac number, because 429684289 - 2⁷ = 429684161 is a prime.

It is not a weakly prime, because it can be changed into another prime (429684389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214842144 + 214842145.

It is an arithmetic number, because the mean of its divisors is an integer number (214842145).

Almost surely, 2^429684289 is an apocalyptic number.

It is an amenable number.

429684289 is a deficient number, since it is larger than the sum of its proper divisors (1).

429684289 is an equidigital number, since it uses as much as digits as its factorization.

429684289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 52.

The square root of 429684289 is about 20728.8274873424. The cubic root of 429684289 is about 754.5994624151.

The spelling of 429684289 in words is "four hundred twenty-nine million, six hundred eighty-four thousand, two hundred eighty-nine".