493586338249 has 3 divisors (see below), whose sum is σ = 493587040807. Its totient is φ = 493585635692.

The previous prime is 493586338241. The next prime is 493586338261. The reversal of 493586338249 is 942833685394.

The square root of 493586338249 is 702557.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7872125625 + 485714212624 = 88725^2 + 696932^2 .

It is not a de Polignac number, because 493586338249 - 2³ = 493586338241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493586338241) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 351279 + ... + 1053835.

Almost surely, 2^493586338249 is an apocalyptic number.

493586338249 is the 702557-th square number.

493586338249 is the 351279-th centered octagonal number.

It is an amenable number.

493586338249 is a deficient number, since it is larger than the sum of its proper divisors (702558).

493586338249 is an frugal number, since it uses more digits than its factorization.

493586338249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405114 (or 702557 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 64.

Multiplying 493586338249 by its sum of digits (64), we get a square (31589525647936 = 5620456²).

The spelling of 493586338249 in words is "four hundred ninety-three billion, five hundred eighty-six million, three hundred thirty-eight thousand, two hundred forty-nine".