489057958479 has 4 divisors (see below), whose sum is σ = 652077277976. Its totient is φ = 326038638984.

The previous prime is 489057958471. The next prime is 489057958489. The reversal of 489057958479 is 974859750984.

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

It is not a de Polignac number, because 489057958479 - 2³ = 489057958471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489057958479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489057958471) 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, 81509659744 + ... + 81509659749.

It is an arithmetic number, because the mean of its divisors is an integer number (163019319494).

Almost surely, 2^489057958479 is an apocalyptic number.

489057958479 is a deficient number, since it is larger than the sum of its proper divisors (163019319497).

489057958479 is a wasteful number, since it uses less digits than its factorization.

489057958479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163019319496.

The product of its (nonzero) digits is 914457600, while the sum is 75.

The spelling of 489057958479 in words is "four hundred eighty-nine billion, fifty-seven million, nine hundred fifty-eight thousand, four hundred seventy-nine".