493484979321 has 24 divisors (see below), whose sum is σ = 716279922176. Its totient is φ = 327390361920.

The previous prime is 493484979319. The next prime is 493484979359. The reversal of 493484979321 is 123979484394.

493484979321 is a `hidden beast` number, since 4 + 9 + 34 + 8 + 497 + 93 + 21 = 666.

It is not a de Polignac number, because 493484979321 - 2¹ = 493484979319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493484979311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5399676 + ... + 5490306.

Almost surely, 2^493484979321 is an apocalyptic number.

It is an amenable number.

493484979321 is a deficient number, since it is larger than the sum of its proper divisors (222794942855).

493484979321 is a wasteful number, since it uses less digits than its factorization.

493484979321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93573 (or 93570 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 493484979321 in words is "four hundred ninety-three billion, four hundred eighty-four million, nine hundred seventy-nine thousand, three hundred twenty-one".