1689559839830 has 8 divisors (see below), whose sum is σ = 3041207711712. Its totient is φ = 675823935928.

The previous prime is 1689559839817. The next prime is 1689559839859. The reversal of 1689559839830 is 389389559861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1689559839830² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 84477991982 + ... + 84477992001.

It is an arithmetic number, because the mean of its divisors is an integer number (380150963964).

Almost surely, 2^{1689559839830} is an apocalyptic number.

1689559839830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1689559839830 is a deficient number, since it is larger than the sum of its proper divisors (1351647871882).

1689559839830 is a wasteful number, since it uses less digits than its factorization.

1689559839830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168955983990.

The product of its (nonzero) digits is 503884800, while the sum is 74.

The spelling of 1689559839830 in words is "one trillion, six hundred eighty-nine billion, five hundred fifty-nine million, eight hundred thirty-nine thousand, eight hundred thirty".