489498596771 has 4 divisors (see below), whose sum is σ = 500882285112. Its totient is φ = 478114908432.

The previous prime is 489498596759. The next prime is 489498596777. The reversal of 489498596771 is 177695894984.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 489498596771 - 2¹⁸ = 489498334627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489498596692 and 489498596701.

It is not an unprimeable number, because it can be changed into a prime (489498596777) 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, 5691844106 + ... + 5691844191.

It is an arithmetic number, because the mean of its divisors is an integer number (125220571278).

Almost surely, 2^489498596771 is an apocalyptic number.

489498596771 is a deficient number, since it is larger than the sum of its proper divisors (11383688341).

489498596771 is a wasteful number, since it uses less digits than its factorization.

489498596771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383688340.

The product of its digits is 1097349120, while the sum is 77.

The spelling of 489498596771 in words is "four hundred eighty-nine billion, four hundred ninety-eight million, five hundred ninety-six thousand, seven hundred seventy-one".