494871220082 has 18 divisors (see below), whose sum is σ = 755191120239. Its totient is φ = 243212935260.

The previous prime is 494871220049. The next prime is 494871220087. The reversal of 494871220082 is 280022178494.

It can be written as a sum of positive squares in only one way, i.e., 247435610041 + 247435610041 = 497429^2 + 497429^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=497429.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494871220087) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 58692407 + ... + 58700837.

Almost surely, 2^494871220082 is an apocalyptic number.

494871220082 is a deficient number, since it is larger than the sum of its proper divisors (260319900157).

494871220082 is an frugal number, since it uses more digits than its factorization.

494871220082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16982 (or 8492 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 494871220082 in words is "four hundred ninety-four billion, eight hundred seventy-one million, two hundred twenty thousand, eighty-two".