489634891029 has 48 divisors (see below), whose sum is σ = 746420942592. Its totient is φ = 308682468864.

The previous prime is 489634891019. The next prime is 489634891093. The reversal of 489634891029 is 920198436984.

489634891029 is a `hidden beast` number, since 4 + 89 + 63 + 489 + 10 + 2 + 9 = 666.

It is not a de Polignac number, because 489634891029 - 2¹⁵ = 489634858261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489634891019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9259864 + ... + 9312590.

It is an arithmetic number, because the mean of its divisors is an integer number (15550436304).

Almost surely, 2^489634891029 is an apocalyptic number.

It is an amenable number.

489634891029 is a deficient number, since it is larger than the sum of its proper divisors (256786051563).

489634891029 is a wasteful number, since it uses less digits than its factorization.

489634891029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53266 (or 53263 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 489634891029 in words is "four hundred eighty-nine billion, six hundred thirty-four million, eight hundred ninety-one thousand, twenty-nine".