489695091 has 8 divisors (see below), whose sum is σ = 659658384. Its totient is φ = 323097600.

The previous prime is 489695077. The next prime is 489695117. The reversal of 489695091 is 190596984.

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

It is not a de Polignac number, because 489695091 - 2¹⁰ = 489694067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (489695891) 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, 841110 + ... + 841691.

It is an arithmetic number, because the mean of its divisors is an integer number (82457298).

Almost surely, 2^489695091 is an apocalyptic number.

489695091 is a deficient number, since it is larger than the sum of its proper divisors (169963293).

489695091 is a wasteful number, since it uses less digits than its factorization.

489695091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682901.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 489695091 is about 22129.0553571543. The cubic root of 489695091 is about 788.2099570874.

The spelling of 489695091 in words is "four hundred eighty-nine million, six hundred ninety-five thousand, ninety-one".