493787565836 has 12 divisors (see below), whose sum is σ = 892003344960. Its totient is φ = 238929467280.

The previous prime is 493787565781. The next prime is 493787565839. The reversal of 493787565836 is 638565787394.

It is a self number, because there is not a number n which added to its sum of digits gives 493787565836.

It is not an unprimeable number, because it can be changed into a prime (493787565839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991078771 + ... + 1991079018.

It is an arithmetic number, because the mean of its divisors is an integer number (74333612080).

Almost surely, 2^493787565836 is an apocalyptic number.

It is an amenable number.

493787565836 is a deficient number, since it is larger than the sum of its proper divisors (398215779124).

493787565836 is a wasteful number, since it uses less digits than its factorization.

493787565836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982157824 (or 3982157822 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 71.

The spelling of 493787565836 in words is "four hundred ninety-three billion, seven hundred eighty-seven million, five hundred sixty-five thousand, eight hundred thirty-six".