429289789 has 2 divisors, whose sum is σ = 429289790. Its totient is φ = 429289788.

The previous prime is 429289787. The next prime is 429289801. The reversal of 429289789 is 987982924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379587289 + 49702500 = 19483^2 + 7050^2 .

It is a cyclic number.

It is not a de Polignac number, because 429289789 - 2¹ = 429289787 is a prime.

Together with 429289787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429289787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214644894 + 214644895.

It is an arithmetic number, because the mean of its divisors is an integer number (214644895).

Almost surely, 2^429289789 is an apocalyptic number.

It is an amenable number.

429289789 is a deficient number, since it is larger than the sum of its proper divisors (1).

429289789 is an equidigital number, since it uses as much as digits as its factorization.

429289789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 58.

The square root of 429289789 is about 20719.3095686126. The cubic root of 429289789 is about 754.3684551023.

The spelling of 429289789 in words is "four hundred twenty-nine million, two hundred eighty-nine thousand, seven hundred eighty-nine".