493444453 has 4 divisors (see below), whose sum is σ = 509362048. Its totient is φ = 477526860.

The previous prime is 493444447. The next prime is 493444463. The reversal of 493444453 is 354444394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493444453 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 (493444463) 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, 7958751 + ... + 7958812.

It is an arithmetic number, because the mean of its divisors is an integer number (127340512).

Almost surely, 2^493444453 is an apocalyptic number.

It is an amenable number.

493444453 is a deficient number, since it is larger than the sum of its proper divisors (15917595).

493444453 is a wasteful number, since it uses less digits than its factorization.

493444453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15917594.

The product of its digits is 414720, while the sum is 40.

The square root of 493444453 is about 22213.6096346362. The cubic root of 493444453 is about 790.2164941028.

The spelling of 493444453 in words is "four hundred ninety-three million, four hundred forty-four thousand, four hundred fifty-three".