429102389 has 8 divisors (see below), whose sum is σ = 454740120. Its totient is φ = 403508736.

The previous prime is 429102383. The next prime is 429102391. The reversal of 429102389 is 983201924.

It can be written as a sum of positive squares in 4 ways, for example, as 6100900 + 423001489 = 2470^2 + 20567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 429102389 - 2⁸ = 429102133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429102383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10217 + ... + 31025.

It is an arithmetic number, because the mean of its divisors is an integer number (56842515).

Almost surely, 2^429102389 is an apocalyptic number.

It is an amenable number.

429102389 is a deficient number, since it is larger than the sum of its proper divisors (25637731).

429102389 is a wasteful number, since it uses less digits than its factorization.

429102389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22039.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 429102389 is about 20714.7867234978. The cubic root of 429102389 is about 754.2586697250.

The spelling of 429102389 in words is "four hundred twenty-nine million, one hundred two thousand, three hundred eighty-nine".