683468567388861 has 4 divisors (see below), whose sum is σ = 911291423185152. Its totient is φ = 455645711592572.

The previous prime is 683468567388847. The next prime is 683468567388907. The reversal of 683468567388861 is 168883765864386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 683468567388861 - 2¹⁷ = 683468567257789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683468567388661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113911427898141 + ... + 113911427898146.

It is an arithmetic number, because the mean of its divisors is an integer number (227822855796288).

Almost surely, 2^{683468567388861} is an apocalyptic number.

It is an amenable number.

683468567388861 is a deficient number, since it is larger than the sum of its proper divisors (227822855796291).

683468567388861 is a wasteful number, since it uses less digits than its factorization.

683468567388861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227822855796290.

The product of its digits is 53508833280, while the sum is 87.

The spelling of 683468567388861 in words is "six hundred eighty-three trillion, four hundred sixty-eight billion, five hundred sixty-seven million, three hundred eighty-eight thousand, eight hundred sixty-one".