9723537664 has 27 divisors (see below), whose sum is σ = 19412242563. Its totient is φ = 4860979968.

The previous prime is 9723537653. The next prime is 9723537673. The reversal of 9723537664 is 4667353279.

The square root of 9723537664 is 98608.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1574647 + ... + 1580809.

Almost surely, 2^9723537664 is an apocalyptic number.

9723537664 is the 98608-th square number.

It is an amenable number.

9723537664 is a deficient number, since it is larger than the sum of its proper divisors (9688704899).

9723537664 is an frugal number, since it uses more digits than its factorization.

9723537664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12342 (or 6165 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 52.

The cubic root of 9723537664 is about 2134.3948626762.

The spelling of 9723537664 in words is "nine billion, seven hundred twenty-three million, five hundred thirty-seven thousand, six hundred sixty-four".