434143289 has 2 divisors, whose sum is σ = 434143290. Its totient is φ = 434143288.

The previous prime is 434143267. The next prime is 434143309. The reversal of 434143289 is 982341434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432307264 + 1836025 = 20792^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 434143289 - 2¹⁶ = 434077753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (434145289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217071644 + 217071645.

It is an arithmetic number, because the mean of its divisors is an integer number (217071645).

Almost surely, 2^434143289 is an apocalyptic number.

It is an amenable number.

434143289 is a deficient number, since it is larger than the sum of its proper divisors (1).

434143289 is an equidigital number, since it uses as much as digits as its factorization.

434143289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 38.

The square root of 434143289 is about 20836.1054182398. The cubic root of 434143289 is about 757.2007416916.

The spelling of 434143289 in words is "four hundred thirty-four million, one hundred forty-three thousand, two hundred eighty-nine".