489373863591 has 8 divisors (see below), whose sum is σ = 652502733184. Its totient is φ = 326247118200.

The previous prime is 489373863581. The next prime is 489373863617. The reversal of 489373863591 is 195368373984.

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

It is not a de Polignac number, because 489373863591 - 2²¹ = 489371766439 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 (489373863581) 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, 120816 + ... + 996666.

It is an arithmetic number, because the mean of its divisors is an integer number (81562841648).

Almost surely, 2^489373863591 is an apocalyptic number.

489373863591 is a deficient number, since it is larger than the sum of its proper divisors (163128869593).

489373863591 is a wasteful number, since it uses less digits than its factorization.

489373863591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062101.

The product of its digits is 117573120, while the sum is 66.

The spelling of 489373863591 in words is "four hundred eighty-nine billion, three hundred seventy-three million, eight hundred sixty-three thousand, five hundred ninety-one".