1684929329285 has 16 divisors (see below), whose sum is σ = 2128788773760. Its totient is φ = 1276724877120.

The previous prime is 1684929329267. The next prime is 1684929329299. The reversal of 1684929329285 is 5829239294861.

It is not a de Polignac number, because 1684929329285 - 2¹⁰ = 1684929328261 is a prime.

It is a super-2 number, since 2×1684929329285² (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 15 ways as a sum of consecutive naturals, for example, 1458806 + ... + 2344775.

It is an arithmetic number, because the mean of its divisors is an integer number (133049298360).

Almost surely, 2^{1684929329285} is an apocalyptic number.

It is an amenable number.

1684929329285 is a deficient number, since it is larger than the sum of its proper divisors (443859444475).

1684929329285 is a wasteful number, since it uses less digits than its factorization.

1684929329285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808268.

The product of its digits is 134369280, while the sum is 68.

The spelling of 1684929329285 in words is "one trillion, six hundred eighty-four billion, nine hundred twenty-nine million, three hundred twenty-nine thousand, two hundred eighty-five".