493680973 has 4 divisors (see below), whose sum is σ = 507023740. Its totient is φ = 480338208.

The previous prime is 493680961. The next prime is 493680977. The reversal of 493680973 is 379086394.

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 476854569 + 16826404 = 21837^2 + 4102^2 .

It is a cyclic number.

It is not a de Polignac number, because 493680973 - 2⁹ = 493680461 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 (493680977) 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, 6671328 + ... + 6671401.

It is an arithmetic number, because the mean of its divisors is an integer number (126755935).

Almost surely, 2^493680973 is an apocalyptic number.

It is an amenable number.

493680973 is a deficient number, since it is larger than the sum of its proper divisors (13342767).

493680973 is a wasteful number, since it uses less digits than its factorization.

493680973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342766.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 493680973 is about 22218.9327601485. The cubic root of 493680973 is about 790.3427306358.

The spelling of 493680973 in words is "four hundred ninety-three million, six hundred eighty thousand, nine hundred seventy-three".