1684409369368 has 32 divisors (see below), whose sum is σ = 3510390033360. Its totient is φ = 751194570880.

The previous prime is 1684409369327. The next prime is 1684409369399. The reversal of 1684409369368 is 8639639044861.

It is a super-2 number, since 2×1684409369368² (a number of 25 digits) contains 22 as substring.

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, 180570955 + ... + 180580282.

Almost surely, 2^{1684409369368} is an apocalyptic number.

It is an amenable number.

1684409369368 is an abundant number, since it is smaller than the sum of its proper divisors (1825980663992).

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

1684409369368 is a wasteful number, since it uses less digits than its factorization.

1684409369368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361151307 (or 361151303 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 67.

The spelling of 1684409369368 in words is "one trillion, six hundred eighty-four billion, four hundred nine million, three hundred sixty-nine thousand, three hundred sixty-eight".