1494391685696 has 672 divisors, whose sum is σ = 4105985184000. Its totient is φ = 534693519360.

The previous prime is 1494391685671. The next prime is 1494391685767. The reversal of 1494391685696 is 6965861934941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2868313916 + ... + 2868314436.

It is an arithmetic number, because the mean of its divisors is an integer number (6110097000).

Almost surely, 2^{1494391685696} is an apocalyptic number.

1494391685696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1494391685696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2052992592000).

1494391685696 is an abundant number, since it is smaller than the sum of its proper divisors (2611593498304).

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

1494391685696 is a wasteful number, since it uses less digits than its factorization.

1494391685696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 585 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 71.

The spelling of 1494391685696 in words is "one trillion, four hundred ninety-four billion, three hundred ninety-one million, six hundred eighty-five thousand, six hundred ninety-six".