489137821286241 has 4 divisors (see below), whose sum is σ = 652183761714992. Its totient is φ = 326091880857492.

The previous prime is 489137821286197. The next prime is 489137821286273. The reversal of 489137821286241 is 142682128731984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-489137821286241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489137821286141) 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, 81522970214371 + ... + 81522970214376.

It is an arithmetic number, because the mean of its divisors is an integer number (163045940428748).

Almost surely, 2^{489137821286241} is an apocalyptic number.

It is an amenable number.

489137821286241 is a deficient number, since it is larger than the sum of its proper divisors (163045940428751).

489137821286241 is a wasteful number, since it uses less digits than its factorization.

489137821286241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163045940428750.

The product of its digits is 74317824, while the sum is 66.

The spelling of 489137821286241 in words is "four hundred eighty-nine trillion, one hundred thirty-seven billion, eight hundred twenty-one million, two hundred eighty-six thousand, two hundred forty-one".