493255193985 has 12 divisors (see below), whose sum is σ = 854975669652. Its totient is φ = 263069436768.

The previous prime is 493255193947. The next prime is 493255194013. The reversal of 493255193985 is 589391552394.

493255193985 is a `hidden beast` number, since 4 + 9 + 3 + 2 + 5 + 519 + 39 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 358313579649 + 134941614336 = 598593^2 + 367344^2 .

It is not a de Polignac number, because 493255193985 - 2¹⁰ = 493255192961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5480613222 + ... + 5480613311.

It is an arithmetic number, because the mean of its divisors is an integer number (71247972471).

Almost surely, 2^493255193985 is an apocalyptic number.

493255193985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

493255193985 is a deficient number, since it is larger than the sum of its proper divisors (361720475667).

493255193985 is a wasteful number, since it uses less digits than its factorization.

493255193985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961226544 (or 10961226541 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 63.

The spelling of 493255193985 in words is "four hundred ninety-three billion, two hundred fifty-five million, one hundred ninety-three thousand, nine hundred eighty-five".