9705081628804 has 9 divisors (see below), whose sum is σ = 16983903753957. Its totient is φ = 4852537699104.

The previous prime is 9705081628741. The next prime is 9705081628819. The reversal of 9705081628804 is 4088261805079.

It is a happy number.

The square root of 9705081628804 is 3115298.

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

It can be written as a sum of positive squares in only one way, i.e., 6994448668804 + 2710632960000 = 2644702^2 + 1646400^2 .

It is a Duffinian number.

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, 5451772 + ... + 7009420.

Almost surely, 2^{9705081628804} is an apocalyptic number.

9705081628804 is the 3115298-th square number.

It is an amenable number.

9705081628804 is a deficient number, since it is larger than the sum of its proper divisors (7278822125153).

9705081628804 is an frugal number, since it uses more digits than its factorization.

9705081628804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115302 (or 1557651 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 9705081628804 in words is "nine trillion, seven hundred five billion, eighty-one million, six hundred twenty-eight thousand, eight hundred four".