684929096397 has 64 divisors (see below), whose sum is σ = 1279334085120. Its totient is φ = 352469491200.

The previous prime is 684929096323. The next prime is 684929096419. The reversal of 684929096397 is 793690929486.

684929096397 is a `hidden beast` number, since 68 + 4 + 9 + 2 + 90 + 96 + 397 = 666.

It is not a de Polignac number, because 684929096397 - 2¹⁴ = 684929080013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684929096317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3298854 + ... + 3500327.

It is an arithmetic number, because the mean of its divisors is an integer number (19989595080).

Almost surely, 2^684929096397 is an apocalyptic number.

It is an amenable number.

684929096397 is a deficient number, since it is larger than the sum of its proper divisors (594404988723).

684929096397 is a wasteful number, since it uses less digits than its factorization.

684929096397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799251 (or 6799245 counting only the distinct ones).

The product of its (nonzero) digits is 317447424, while the sum is 72.

The spelling of 684929096397 in words is "six hundred eighty-four billion, nine hundred twenty-nine million, ninety-six thousand, three hundred ninety-seven".