493031793 has 4 divisors (see below), whose sum is σ = 657375728. Its totient is φ = 328687860.

The previous prime is 493031729. The next prime is 493031797. The reversal of 493031793 is 397130394.

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 not a de Polignac number, because 493031793 - 2⁶ = 493031729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493031797) 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, 82171963 + ... + 82171968.

It is an arithmetic number, because the mean of its divisors is an integer number (164343932).

Almost surely, 2^493031793 is an apocalyptic number.

It is an amenable number.

493031793 is a deficient number, since it is larger than the sum of its proper divisors (164343935).

493031793 is a wasteful number, since it uses less digits than its factorization.

493031793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164343934.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 493031793 is about 22204.3192419853. The cubic root of 493031793 is about 789.9961507050.

The spelling of 493031793 in words is "four hundred ninety-three million, thirty-one thousand, seven hundred ninety-three".