32686286869 has 24 divisors (see below), whose sum is σ = 35633225160. Its totient is φ = 29878333440.

The previous prime is 32686286839. The next prime is 32686286933. The reversal of 32686286869 is 96868268623.

It can be written as a sum of positive squares in 12 ways, for example, as 10977800625 + 21708486244 = 104775^2 + 147338^2 .

It is not a de Polignac number, because 32686286869 - 2¹¹ = 32686284821 is a prime.

It is a super-2 number, since 2×32686286869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32686286869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32686286839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6655987 + ... + 6660895.

It is an arithmetic number, because the mean of its divisors is an integer number (1484717715).

Almost surely, 2^32686286869 is an apocalyptic number.

It is an amenable number.

32686286869 is a deficient number, since it is larger than the sum of its proper divisors (2946938291).

32686286869 is a wasteful number, since it uses less digits than its factorization.

32686286869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241 (or 5200 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 64.

The spelling of 32686286869 in words is "thirty-two billion, six hundred eighty-six million, two hundred eighty-six thousand, eight hundred sixty-nine".