10689642036 has 96 divisors (see below), whose sum is σ = 28029456000. Its totient is φ = 3522873600.

The previous prime is 10689642023. The next prime is 10689642059. The reversal of 10689642036 is 63024698601.

10689642036 is a `hidden beast` number, since 106 + 8 + 96 + 420 + 36 = 666.

It is a super-2 number, since 2×10689642036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10689641982 and 10689642000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3748011 + ... + 3750861.

It is an arithmetic number, because the mean of its divisors is an integer number (291973500).

Almost surely, 2^10689642036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10689642036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14014728000).

10689642036 is an abundant number, since it is smaller than the sum of its proper divisors (17339813964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10689642036 is a wasteful number, since it uses less digits than its factorization.

10689642036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 10689642036 in words is "ten billion, six hundred eighty-nine million, six hundred forty-two thousand, thirty-six".