1682439543612 has 72 divisors (see below), whose sum is σ = 4325326976880. Its totient is φ = 551255385600.

The previous prime is 1682439543607. The next prime is 1682439543613. The reversal of 1682439543612 is 2163459342861.

It is a happy number.

1682439543612 is a `hidden beast` number, since 1 + 6 + 8 + 2 + 4 + 39 + 543 + 61 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682439543613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26758612 + ... + 26821412.

It is an arithmetic number, because the mean of its divisors is an integer number (60073985790).

Almost surely, 2^{1682439543612} is an apocalyptic number.

1682439543612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1682439543612 is an abundant number, since it is smaller than the sum of its proper divisors (2642887433268).

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

1682439543612 is a wasteful number, since it uses less digits than its factorization.

1682439543612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75483 (or 75478 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 1682439543612 in words is "one trillion, six hundred eighty-two billion, four hundred thirty-nine million, five hundred forty-three thousand, six hundred twelve".