10689078544 has 15 divisors (see below), whose sum is σ = 20710890967. Its totient is φ = 5344332496.

The previous prime is 10689078529. The next prime is 10689078551. The reversal of 10689078544 is 44587098601.

The square root of 10689078544 is 103388.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×10689078544² (a number of 21 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 = 10689078491 and 10689078500.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 400629 + ... + 426475.

Almost surely, 2^10689078544 is an apocalyptic number.

10689078544 is the 103388-th square number.

It is an amenable number.

10689078544 is a deficient number, since it is larger than the sum of its proper divisors (10021812423).

10689078544 is an frugal number, since it uses more digits than its factorization.

10689078544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51702 (or 25849 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 10689078544 in words is "ten billion, six hundred eighty-nine million, seventy-eight thousand, five hundred forty-four".