489490429 has 4 divisors (see below), whose sum is σ = 489576160. Its totient is φ = 489404700.

The previous prime is 489490363. The next prime is 489490433. The reversal of 489490429 is 924094984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489490429 - 2¹⁹ = 488966141 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 (489490489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33639 + ... + 45940.

It is an arithmetic number, because the mean of its divisors is an integer number (122394040).

Almost surely, 2^489490429 is an apocalyptic number.

It is an amenable number.

489490429 is a deficient number, since it is larger than the sum of its proper divisors (85731).

489490429 is an equidigital number, since it uses as much as digits as its factorization.

489490429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85730.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 489490429 is about 22124.4305915429. The cubic root of 489490429 is about 788.1001342555.

The spelling of 489490429 in words is "four hundred eighty-nine million, four hundred ninety thousand, four hundred twenty-nine".