1689493901216 has 48 divisors (see below), whose sum is σ = 3629757549600. Its totient is φ = 767700890880.

The previous prime is 1689493901201. The next prime is 1689493901219. The reversal of 1689493901216 is 6121093949861.

It is not an unprimeable number, because it can be changed into a prime (1689493901219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297110 + ... + 1862058.

It is an arithmetic number, because the mean of its divisors is an integer number (75619948950).

Almost surely, 2^{1689493901216} is an apocalyptic number.

1689493901216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1689493901216 is an abundant number, since it is smaller than the sum of its proper divisors (1940263648384).

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

1689493901216 is a wasteful number, since it uses less digits than its factorization.

1689493901216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568037 (or 1568029 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 1689493901216 in words is "one trillion, six hundred eighty-nine billion, four hundred ninety-three million, nine hundred one thousand, two hundred sixteen".