489268499 has 4 divisors (see below), whose sum is σ = 489404400. Its totient is φ = 489132600.

The previous prime is 489268477. The next prime is 489268513. The reversal of 489268499 is 994862984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489268499 is a prime.

It is a super-2 number, since 2×489268499² = 478767328227426002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489268399) 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, 62399 + ... + 69800.

It is an arithmetic number, because the mean of its divisors is an integer number (122351100).

Almost surely, 2^489268499 is an apocalyptic number.

489268499 is a deficient number, since it is larger than the sum of its proper divisors (135901).

489268499 is a wasteful number, since it uses less digits than its factorization.

489268499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135900.

The product of its digits is 8957952, while the sum is 59.

The square root of 489268499 is about 22119.4145266099. The cubic root of 489268499 is about 787.9810107125.

The spelling of 489268499 in words is "four hundred eighty-nine million, two hundred sixty-eight thousand, four hundred ninety-nine".