495917646891008 has 48 divisors (see below), whose sum is σ = 991883694650940. Its totient is φ = 247886168670208.

The previous prime is 495917646890993. The next prime is 495917646891047. The reversal of 495917646891008 is 800198646719594.

It can be written as a sum of positive squares in 2 ways, for example, as 470551193764864 + 25366453126144 = 21692192^2 + 5036512^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 495917646891008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28484435 + ... + 42464082.

Almost surely, 2^{495917646891008} is an apocalyptic number.

It is an amenable number.

495917646891008 is an abundant number, since it is smaller than the sum of its proper divisors (495966047759932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

495917646891008 is an equidigital number, since it uses as much as digits as its factorization.

495917646891008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70951952 (or 70951932 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 77.

The spelling of 495917646891008 in words is "four hundred ninety-five trillion, nine hundred seventeen billion, six hundred forty-six million, eight hundred ninety-one thousand, eight".