494683690128 has 40 divisors (see below), whose sum is σ = 1286396016576. Its totient is φ = 163802544000.

The previous prime is 494683690117. The next prime is 494683690133. The reversal of 494683690128 is 821096386494.

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 7 ways as a sum of consecutive naturals, for example, 34118283 + ... + 34132778.

Almost surely, 2^494683690128 is an apocalyptic number.

494683690128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

494683690128 is an abundant number, since it is smaller than the sum of its proper divisors (791712326448).

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

494683690128 is a wasteful number, since it uses less digits than its factorization.

494683690128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68251223 (or 68251217 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

It can be divided in two parts, 494683 and 690128, that added together give a palindrome (1184811).

The spelling of 494683690128 in words is "four hundred ninety-four billion, six hundred eighty-three million, six hundred ninety thousand, one hundred twenty-eight".