494316845639 has 8 divisors (see below), whose sum is σ = 516281453520. Its totient is φ = 472805116416.

The previous prime is 494316845621. The next prime is 494316845677. The reversal of 494316845639 is 936548613494.

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 494316845639 - 2²⁸ = 494048410183 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 (494316845609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113217434 + ... + 113221799.

It is an arithmetic number, because the mean of its divisors is an integer number (64535181690).

Almost surely, 2^494316845639 is an apocalyptic number.

494316845639 is a deficient number, since it is larger than the sum of its proper divisors (21964607881).

494316845639 is a wasteful number, since it uses less digits than its factorization.

494316845639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226439329.

The product of its digits is 67184640, while the sum is 62.

The spelling of 494316845639 in words is "four hundred ninety-four billion, three hundred sixteen million, eight hundred forty-five thousand, six hundred thirty-nine".