1689419982208 has 64 divisors (see below), whose sum is σ = 3848349024000. Its totient is φ = 723679160832.

The previous prime is 1689419982197. The next prime is 1689419982223. The reversal of 1689419982208 is 8022899149861.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351093 + ... + 2281291.

It is an arithmetic number, because the mean of its divisors is an integer number (60130453500).

Almost surely, 2^{1689419982208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1689419982208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924174512000).

1689419982208 is an abundant number, since it is smaller than the sum of its proper divisors (2158929041792).

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

1689419982208 is an equidigital number, since it uses as much as digits as its factorization.

1689419982208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932247 (or 932235 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 67.

The spelling of 1689419982208 in words is "one trillion, six hundred eighty-nine billion, four hundred nineteen million, nine hundred eighty-two thousand, two hundred eight".