9723340449 has 9 divisors (see below), whose sum is σ = 14045252403. Its totient is φ = 6482029752.

The previous prime is 9723340439. The next prime is 9723340469. The reversal of 9723340449 is 9440433279.

The square root of 9723340449 is 98607.

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

9723340449 is a `hidden beast` number, since 9 + 7 + 233 + 404 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5593992849 + 4129347600 = 74793^2 + 64260^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 9723340449 - 2¹⁵ = 9723307681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9723340439) 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, 279387 + ... + 312255.

Almost surely, 2^9723340449 is an apocalyptic number.

9723340449 is the 98607-th square number.

9723340449 is the 49304-th centered octagonal number.

It is an amenable number.

9723340449 is a deficient number, since it is larger than the sum of its proper divisors (4321911954).

9723340449 is an frugal number, since it uses more digits than its factorization.

9723340449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65744 (or 32872 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The cubic root of 9723340449 is about 2134.3804324848.

The spelling of 9723340449 in words is "nine billion, seven hundred twenty-three million, three hundred forty thousand, four hundred forty-nine".