493546453 has 4 divisors (see below), whose sum is σ = 493934220. Its totient is φ = 493158688.

The previous prime is 493546423. The next prime is 493546463. The reversal of 493546453 is 354645394.

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

It can be written as a sum of positive squares in 2 ways, for example, as 213218404 + 280328049 = 14602^2 + 16743^2 .

It is a cyclic number.

It is not a de Polignac number, because 493546453 - 2¹⁷ = 493415381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493546423) 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 3 ways as a sum of consecutive naturals, for example, 191968 + ... + 194521.

It is an arithmetic number, because the mean of its divisors is an integer number (123483555).

Almost surely, 2^493546453 is an apocalyptic number.

It is an amenable number.

493546453 is a deficient number, since it is larger than the sum of its proper divisors (387767).

493546453 is a wasteful number, since it uses less digits than its factorization.

493546453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387766.

The product of its digits is 777600, while the sum is 43.

The square root of 493546453 is about 22215.9054058123. The cubic root of 493546453 is about 790.2709389539.

The spelling of 493546453 in words is "four hundred ninety-three million, five hundred forty-six thousand, four hundred fifty-three".