494949284671856 has 20 divisors (see below), whose sum is σ = 1095959130345072. Its totient is φ = 212121122002176.

The previous prime is 494949284671817. The next prime is 494949284671939. The reversal of 494949284671856 is 658176482949494.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2209595020745 + ... + 2209595020968.

Almost surely, 2^{494949284671856} is an apocalyptic number.

It is an amenable number.

494949284671856 is an abundant number, since it is smaller than the sum of its proper divisors (601009845673216).

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

494949284671856 is a wasteful number, since it uses less digits than its factorization.

494949284671856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419190041728 (or 4419190041722 counting only the distinct ones).

The product of its digits is 30098718720, while the sum is 86.

The spelling of 494949284671856 in words is "four hundred ninety-four trillion, nine hundred forty-nine billion, two hundred eighty-four million, six hundred seventy-one thousand, eight hundred fifty-six".