493448819 has 4 divisors (see below), whose sum is σ = 493914960. Its totient is φ = 492982680.

The previous prime is 493448807. The next prime is 493448821. The reversal of 493448819 is 918844394.

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

It is a cyclic number.

It is not a de Polignac number, because 493448819 - 2²⁸ = 225013363 is a prime.

It is a super-2 number, since 2×493448819² = 486983473944989522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493408819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231479 + ... + 233600.

It is an arithmetic number, because the mean of its divisors is an integer number (123478740).

Almost surely, 2^493448819 is an apocalyptic number.

493448819 is a deficient number, since it is larger than the sum of its proper divisors (466141).

493448819 is a wasteful number, since it uses less digits than its factorization.

493448819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466140.

The product of its digits is 995328, while the sum is 50.

The square root of 493448819 is about 22213.7079075061. The cubic root of 493448819 is about 790.2188247096.

The spelling of 493448819 in words is "four hundred ninety-three million, four hundred forty-eight thousand, eight hundred nineteen".