494687874265 has 24 divisors (see below), whose sum is σ = 647708548608. Its totient is φ = 362519277120.

The previous prime is 494687874259. The next prime is 494687874283. The reversal of 494687874265 is 562478786494.

It is not a de Polignac number, because 494687874265 - 2²⁵ = 494654319833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494687874194 and 494687874203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2123769 + ... + 2345158.

It is an arithmetic number, because the mean of its divisors is an integer number (26987856192).

Almost surely, 2^494687874265 is an apocalyptic number.

It is an amenable number.

494687874265 is a deficient number, since it is larger than the sum of its proper divisors (153020674343).

494687874265 is a wasteful number, since it uses less digits than its factorization.

494687874265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469089 (or 4469076 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 70.

The spelling of 494687874265 in words is "four hundred ninety-four billion, six hundred eighty-seven million, eight hundred seventy-four thousand, two hundred sixty-five".