10681609306 has 4 divisors (see below), whose sum is σ = 16022413962. Its totient is φ = 5340804652.

The previous prime is 10681609277. The next prime is 10681609339. The reversal of 10681609306 is 60390618601.

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

It can be written as a sum of positive squares in only one way, i.e., 8678599281 + 2003010025 = 93159^2 + 44755^2 .

It is a super-2 number, since 2×10681609306² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2670402325 + ... + 2670402328.

Almost surely, 2^10681609306 is an apocalyptic number.

10681609306 is a deficient number, since it is larger than the sum of its proper divisors (5340804656).

10681609306 is an equidigital number, since it uses as much as digits as its factorization.

10681609306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340804655.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 10681609306 in words is "ten billion, six hundred eighty-one million, six hundred nine thousand, three hundred six".