10446679681 has 9 divisors (see below), whose sum is σ = 10523797473. Its totient is φ = 10370125140.

The previous prime is 10446679679. The next prime is 10446679697. The reversal of 10446679681 is 18697664401.

The square root of 10446679681 is 102209.

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

It is not a de Polignac number, because 10446679681 - 2¹ = 10446679679 is a prime.

It is a super-2 number, since 2×10446679681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10446679601) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18295126 + ... + 18295696.

Almost surely, 2^10446679681 is an apocalyptic number.

10446679681 is the 102209-th square number.

10446679681 is the 51105-th centered octagonal number.

It is an amenable number.

10446679681 is a deficient number, since it is larger than the sum of its proper divisors (77117792).

10446679681 is an frugal number, since it uses more digits than its factorization.

10446679681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 10446679681 in words is "ten billion, four hundred forty-six million, six hundred seventy-nine thousand, six hundred eighty-one".