489694505197 has 8 divisors (see below), whose sum is σ = 499164638400. Its totient is φ = 480295845120.

The previous prime is 489694505173. The next prime is 489694505203. The reversal of 489694505197 is 791505496984.

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 489694505197 - 2¹¹ = 489694503149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489694502197) 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, 17854447 + ... + 17881852.

It is an arithmetic number, because the mean of its divisors is an integer number (62395579800).

Almost surely, 2^489694505197 is an apocalyptic number.

It is an amenable number.

489694505197 is a deficient number, since it is larger than the sum of its proper divisors (9470133203).

489694505197 is a wasteful number, since it uses less digits than its factorization.

489694505197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35736563.

The product of its (nonzero) digits is 97977600, while the sum is 67.

The spelling of 489694505197 in words is "four hundred eighty-nine billion, six hundred ninety-four million, five hundred five thousand, one hundred ninety-seven".