489247491573 has 12 divisors (see below), whose sum is σ = 713174224620. Its totient is φ = 323172654336.

The previous prime is 489247491571. The next prime is 489247491631. The reversal of 489247491573 is 375194742984.

489247491573 is a `hidden beast` number, since 4 + 8 + 9 + 2 + 474 + 9 + 157 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 401730327684 + 87517163889 = 633822^2 + 295833^2 .

It is not a de Polignac number, because 489247491573 - 2¹ = 489247491571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 489247491573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489247491571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249360636 + ... + 249362597.

It is an arithmetic number, because the mean of its divisors is an integer number (59431185385).

Almost surely, 2^489247491573 is an apocalyptic number.

It is an amenable number.

489247491573 is a deficient number, since it is larger than the sum of its proper divisors (223926733047).

489247491573 is a wasteful number, since it uses less digits than its factorization.

489247491573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498723348 (or 498723345 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 489247491573 in words is "four hundred eighty-nine billion, two hundred forty-seven million, four hundred ninety-one thousand, five hundred seventy-three".