23954534669569 has 9 divisors (see below), whose sum is σ = 27865518959361. Its totient is φ = 20532428922180.

The previous prime is 23954534669557. The next prime is 23954534669627. The reversal of 23954534669569 is 96596643545932.

The square root of 23954534669569 is 4894337.

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

It is not a de Polignac number, because 23954534669569 - 2⁹ = 23954534669057 is a prime.

It is a super-2 number, since 2×23954534669569² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23954534669495 and 23954534669504.

It is not an unprimeable number, because it can be changed into a prime (23954534669539) 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, 33910764 + ... + 34609954.

Almost surely, 2^{23954534669569} is an apocalyptic number.

23954534669569 is the 4894337-th square number.

23954534669569 is the 2447169-th centered octagonal number.

It is an amenable number.

23954534669569 is a deficient number, since it is larger than the sum of its proper divisors (3910984289792).

23954534669569 is an frugal number, since it uses more digits than its factorization.

23954534669569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398396 (or 699198 counting only the distinct ones).

The product of its digits is 5668704000, while the sum is 76.

The spelling of 23954534669569 in words is "twenty-three trillion, nine hundred fifty-four billion, five hundred thirty-four million, six hundred sixty-nine thousand, five hundred sixty-nine".