493564500169 has 48 divisors (see below), whose sum is σ = 547241232384. Its totient is φ = 444854592000.

The previous prime is 493564500151. The next prime is 493564500199. The reversal of 493564500169 is 961005465394.

It is a happy number.

It is not a de Polignac number, because 493564500169 - 2¹⁷ = 493564369097 is a prime.

It is a super-2 number, since 2×493564500169² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493564500119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 821238469 + ... + 821239069.

It is an arithmetic number, because the mean of its divisors is an integer number (11400859008).

Almost surely, 2^493564500169 is an apocalyptic number.

It is an amenable number.

493564500169 is a deficient number, since it is larger than the sum of its proper divisors (53676732215).

493564500169 is a wasteful number, since it uses less digits than its factorization.

493564500169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1285 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 493564500169 in words is "four hundred ninety-three billion, five hundred sixty-four million, five hundred thousand, one hundred sixty-nine".