489126491 has 8 divisors (see below), whose sum is σ = 564131040. Its totient is φ = 415404288.

The previous prime is 489126479. The next prime is 489126493. The reversal of 489126491 is 194621984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489126491 - 2⁶ = 489126427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489126493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319766 + ... + 321291.

It is an arithmetic number, because the mean of its divisors is an integer number (70516380).

Almost surely, 2^489126491 is an apocalyptic number.

489126491 is a deficient number, since it is larger than the sum of its proper divisors (75004549).

489126491 is a wasteful number, since it uses less digits than its factorization.

489126491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641173.

The product of its digits is 124416, while the sum is 44.

The square root of 489126491 is about 22116.2042629381. The cubic root of 489126491 is about 787.9047673441.

The spelling of 489126491 in words is "four hundred eighty-nine million, one hundred twenty-six thousand, four hundred ninety-one".