493665953 has 8 divisors (see below), whose sum is σ = 551680416. Its totient is φ = 437840800.

The previous prime is 493665901. The next prime is 493665959. The reversal of 493665953 is 359566394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 493665953 - 2⁶ = 493665889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493665959) 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 7 ways as a sum of consecutive naturals, for example, 546851 + ... + 547752.

It is an arithmetic number, because the mean of its divisors is an integer number (68960052).

Almost surely, 2^493665953 is an apocalyptic number.

It is an amenable number.

493665953 is a deficient number, since it is larger than the sum of its proper divisors (58014463).

493665953 is a wasteful number, since it uses less digits than its factorization.

493665953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094655.

The product of its digits is 2624400, while the sum is 50.

The square root of 493665953 is about 22218.5947575449. The cubic root of 493665953 is about 790.3347152920.

The spelling of 493665953 in words is "four hundred ninety-three million, six hundred sixty-five thousand, nine hundred fifty-three".