489150171 has 20 divisors (see below), whose sum is σ = 737952864. Its totient is φ = 322866000.

The previous prime is 489150157. The next prime is 489150187. The reversal of 489150171 is 171051984.

489150171 is a `hidden beast` number, since 4 + 89 + 1 + 501 + 71 = 666.

It is not a de Polignac number, because 489150171 - 2¹⁴ = 489133787 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (489150121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21715 + ... + 38076.

Almost surely, 2^489150171 is an apocalyptic number.

489150171 is a deficient number, since it is larger than the sum of its proper divisors (248802693).

489150171 is a wasteful number, since it uses less digits than its factorization.

489150171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59904 (or 59895 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 489150171 is about 22116.7396105303. The cubic root of 489150171 is about 787.9174820400.

The spelling of 489150171 in words is "four hundred eighty-nine million, one hundred fifty thousand, one hundred seventy-one".