494289693 has 12 divisors (see below), whose sum is σ = 751551840. Its totient is φ = 312182856.

The previous prime is 494289683. The next prime is 494289701. The reversal of 494289693 is 396982494.

494289693 is a `hidden beast` number, since 49 + 428 + 96 + 93 = 666.

It is not a de Polignac number, because 494289693 - 2⁶ = 494289629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494289613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1445121 + ... + 1445462.

It is an arithmetic number, because the mean of its divisors is an integer number (62629320).

Almost surely, 2^494289693 is an apocalyptic number.

It is an amenable number.

494289693 is a deficient number, since it is larger than the sum of its proper divisors (257262147).

494289693 is a wasteful number, since it uses less digits than its factorization.

494289693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890608 (or 2890605 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 494289693 is about 22232.6267678833. The cubic root of 494289693 is about 790.6674341413.

The spelling of 494289693 in words is "four hundred ninety-four million, two hundred eighty-nine thousand, six hundred ninety-three".