489783129 has 16 divisors (see below), whose sum is σ = 712960704. Its totient is φ = 296609600.

The previous prime is 489783127. The next prime is 489783143. The reversal of 489783129 is 921387984.

It is a cyclic number.

It is not a de Polignac number, because 489783129 - 2¹ = 489783127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489783127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44299 + ... + 54239.

It is an arithmetic number, because the mean of its divisors is an integer number (44560044).

Almost surely, 2^489783129 is an apocalyptic number.

It is an amenable number.

489783129 is a deficient number, since it is larger than the sum of its proper divisors (223177575).

489783129 is a wasteful number, since it uses less digits than its factorization.

489783129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448.

The product of its digits is 870912, while the sum is 51.

The square root of 489783129 is about 22131.0444624740. The cubic root of 489783129 is about 788.2571893831.

The spelling of 489783129 in words is "four hundred eighty-nine million, seven hundred eighty-three thousand, one hundred twenty-nine".