9723377042289 has 27 divisors (see below), whose sum is σ = 14107132773643. Its totient is φ = 6453644691984.

The previous prime is 9723377042287. The next prime is 9723377042299. The reversal of 9723377042289 is 9822407733279.

The square root of 9723377042289 is 3118233.

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

9723377042289 is a `hidden beast` number, since 9 + 7 + 2 + 337 + 70 + 4 + 228 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 217871432289 + 9505505610000 = 466767^2 + 3083100^2 .

It is not a de Polignac number, because 9723377042289 - 2¹ = 9723377042287 is a prime.

It is a super-2 number, since 2×9723377042289² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9723377042287) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2235770887 + ... + 2235775235.

Almost surely, 2^{9723377042289} is an apocalyptic number.

9723377042289 is the 3118233-rd square number.

9723377042289 is the 1559117-th centered octagonal number.

It is an amenable number.

9723377042289 is a deficient number, since it is larger than the sum of its proper divisors (4383755731354).

9723377042289 is an frugal number, since it uses more digits than its factorization.

9723377042289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9182 (or 4591 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 63.

The spelling of 9723377042289 in words is "nine trillion, seven hundred twenty-three billion, three hundred seventy-seven million, forty-two thousand, two hundred eighty-nine".