493712749 has 4 divisors (see below), whose sum is σ = 501081664. Its totient is φ = 486343836.

The previous prime is 493712731. The next prime is 493712783. The reversal of 493712749 is 947217394.

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 not a de Polignac number, because 493712749 - 2²⁵ = 460158317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493712699 and 493712708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493712729) 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, 3684357 + ... + 3684490.

It is an arithmetic number, because the mean of its divisors is an integer number (125270416).

Almost surely, 2^493712749 is an apocalyptic number.

It is an amenable number.

493712749 is a deficient number, since it is larger than the sum of its proper divisors (7368915).

493712749 is an equidigital number, since it uses as much as digits as its factorization.

493712749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7368914.

The product of its digits is 381024, while the sum is 46.

The square root of 493712749 is about 22219.6478144907. The cubic root of 493712749 is about 790.3596871949.

The spelling of 493712749 in words is "four hundred ninety-three million, seven hundred twelve thousand, seven hundred forty-nine".