493634585823 has 4 divisors (see below), whose sum is σ = 658179447768. Its totient is φ = 329089723880.

The previous prime is 493634585813. The next prime is 493634585849. The reversal of 493634585823 is 328585436394.

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

It is a cyclic number.

It is not a de Polignac number, because 493634585823 - 2⁸ = 493634585567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493634585813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82272430968 + ... + 82272430973.

It is an arithmetic number, because the mean of its divisors is an integer number (164544861942).

Almost surely, 2^493634585823 is an apocalyptic number.

493634585823 is a deficient number, since it is larger than the sum of its proper divisors (164544861945).

493634585823 is a wasteful number, since it uses less digits than its factorization.

493634585823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164544861944.

The product of its digits is 74649600, while the sum is 60.

The spelling of 493634585823 in words is "four hundred ninety-three billion, six hundred thirty-four million, five hundred eighty-five thousand, eight hundred twenty-three".