1689117738352 has 20 divisors (see below), whose sum is σ = 3570180674616. Its totient is φ = 767780790080.

The previous prime is 1689117738323. The next prime is 1689117738403. The reversal of 1689117738352 is 2538377119861.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4798629763 + ... + 4798630114.

Almost surely, 2^{1689117738352} is an apocalyptic number.

It is an amenable number.

1689117738352 is an abundant number, since it is smaller than the sum of its proper divisors (1881062936264).

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

1689117738352 is a wasteful number, since it uses less digits than its factorization.

1689117738352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9597259896 (or 9597259890 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 61.

The spelling of 1689117738352 in words is "one trillion, six hundred eighty-nine billion, one hundred seventeen million, seven hundred thirty-eight thousand, three hundred fifty-two".