494385791265 has 24 divisors (see below), whose sum is σ = 858127271040. Its totient is φ = 263305683744.

The previous prime is 494385791239. The next prime is 494385791279. The reversal of 494385791265 is 562197583494.

494385791265 is a `hidden beast` number, since 4 + 9 + 4 + 38 + 579 + 1 + 26 + 5 = 666.

It is not a de Polignac number, because 494385791265 - 2⁵ = 494385791233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7607667 + ... + 7672376.

It is an arithmetic number, because the mean of its divisors is an integer number (35755302960).

Almost surely, 2^494385791265 is an apocalyptic number.

494385791265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

494385791265 is a deficient number, since it is larger than the sum of its proper divisors (363741479775).

494385791265 is a wasteful number, since it uses less digits than its factorization.

494385791265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15280773 (or 15280770 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The spelling of 494385791265 in words is "four hundred ninety-four billion, three hundred eighty-five million, seven hundred ninety-one thousand, two hundred sixty-five".