494779078185 has 64 divisors (see below), whose sum is σ = 954508216320. Its totient is φ = 213796177920.

The previous prime is 494779078177. The next prime is 494779078243. The reversal of 494779078185 is 581870977494.

It is not a de Polignac number, because 494779078185 - 2³ = 494779078177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 603865 + ... + 1163705.

It is an arithmetic number, because the mean of its divisors is an integer number (14914190880).

Almost surely, 2^494779078185 is an apocalyptic number.

It is an amenable number.

494779078185 is a deficient number, since it is larger than the sum of its proper divisors (459729138135).

494779078185 is a wasteful number, since it uses less digits than its factorization.

494779078185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560318.

The product of its (nonzero) digits is 142248960, while the sum is 69.

The spelling of 494779078185 in words is "four hundred ninety-four billion, seven hundred seventy-nine million, seventy-eight thousand, one hundred eighty-five".