429259489 has 2 divisors, whose sum is σ = 429259490. Its totient is φ = 429259488.

The previous prime is 429259477. The next prime is 429259499. The reversal of 429259489 is 984952924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299117025 + 130142464 = 17295^2 + 11408^2 .

It is a cyclic number.

It is not a de Polignac number, because 429259489 - 2⁷ = 429259361 is a prime.

It is a super-2 number, since 2×429259489² = 368527417793082242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (429259409) 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, 214629744 + 214629745.

It is an arithmetic number, because the mean of its divisors is an integer number (214629745).

Almost surely, 2^429259489 is an apocalyptic number.

It is an amenable number.

429259489 is a deficient number, since it is larger than the sum of its proper divisors (1).

429259489 is an equidigital number, since it uses as much as digits as its factorization.

429259489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The square root of 429259489 is about 20718.5783537385. The cubic root of 429259489 is about 754.3507064838.

The spelling of 429259489 in words is "four hundred twenty-nine million, two hundred fifty-nine thousand, four hundred eighty-nine".