9691564196 has 6 divisors (see below), whose sum is σ = 16960237350. Its totient is φ = 4845782096.

The previous prime is 9691564177. The next prime is 9691564217. The reversal of 9691564196 is 6914651969.

It can be written as a sum of positive squares in only one way, i.e., 5294017600 + 4397546596 = 72760^2 + 66314^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211445521 + ... + 1211445528.

It is an arithmetic number, because the mean of its divisors is an integer number (2826706225).

Almost surely, 2^9691564196 is an apocalyptic number.

It is an amenable number.

9691564196 is a deficient number, since it is larger than the sum of its proper divisors (7268673154).

9691564196 is a wasteful number, since it uses less digits than its factorization.

9691564196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422891053 (or 2422891051 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 56.

The square root of 9691564196 is about 98445.7423965100. The cubic root of 9691564196 is about 2132.0528157665.

The spelling of 9691564196 in words is "nine billion, six hundred ninety-one million, five hundred sixty-four thousand, one hundred ninety-six".