682189975669 has 4 divisors (see below), whose sum is σ = 683388904140. Its totient is φ = 680991047200.

The previous prime is 682189975637. The next prime is 682189975681. The reversal of 682189975669 is 966579981286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 342825473169 + 339364502500 = 585513^2 + 582550^2 .

It is a cyclic number.

It is not a de Polignac number, because 682189975669 - 2⁵ = 682189975637 is a prime.

It is a super-2 number, since 2×682189975669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 682189975595 and 682189975604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682189975609) 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, 599463382 + ... + 599464519.

It is an arithmetic number, because the mean of its divisors is an integer number (170847226035).

Almost surely, 2^682189975669 is an apocalyptic number.

It is an amenable number.

682189975669 is a deficient number, since it is larger than the sum of its proper divisors (1198928471).

682189975669 is a wasteful number, since it uses less digits than its factorization.

682189975669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198928470.

The product of its digits is 705438720, while the sum is 76.

The spelling of 682189975669 in words is "six hundred eighty-two billion, one hundred eighty-nine million, nine hundred seventy-five thousand, six hundred sixty-nine".