489931551135 has 64 divisors (see below), whose sum is σ = 968246415360. Its totient is φ = 233416494720.

The previous prime is 489931551113. The next prime is 489931551163. The reversal of 489931551135 is 531155139984.

It is a happy number.

489931551135 is a `hidden beast` number, since 4 + 8 + 9 + 93 + 1 + 5 + 511 + 35 = 666.

It is not a de Polignac number, because 489931551135 - 2¹⁰ = 489931550111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4448229 + ... + 4557038.

It is an arithmetic number, because the mean of its divisors is an integer number (15128850240).

Almost surely, 2^489931551135 is an apocalyptic number.

489931551135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

489931551135 is a deficient number, since it is larger than the sum of its proper divisors (478314864225).

489931551135 is a wasteful number, since it uses less digits than its factorization.

489931551135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005325 (or 9005319 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 54.

The spelling of 489931551135 in words is "four hundred eighty-nine billion, nine hundred thirty-one million, five hundred fifty-one thousand, one hundred thirty-five".