1682409456928 has 12 divisors (see below), whose sum is σ = 3312243618390. Its totient is φ = 841204728448.

The previous prime is 1682409456899. The next prime is 1682409456929. The reversal of 1682409456928 is 8296549042861.

It can be written as a sum of positive squares in only one way, i.e., 1433220797584 + 249188659344 = 1197172^2 + 499188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1682409456928.

It is not an unprimeable number, because it can be changed into a prime (1682409456929) by changing a digit.

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 as a sum of consecutive naturals, namely, 26287647733 + ... + 26287647796.

Almost surely, 2^{1682409456928} is an apocalyptic number.

It is an amenable number.

1682409456928 is a deficient number, since it is larger than the sum of its proper divisors (1629834161462).

1682409456928 is an equidigital number, since it uses as much as digits as its factorization.

1682409456928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52575295539 (or 52575295531 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 64.

The spelling of 1682409456928 in words is "one trillion, six hundred eighty-two billion, four hundred nine million, four hundred fifty-six thousand, nine hundred twenty-eight".