23448285729649 has 27 divisors (see below), whose sum is σ = 25968691862841. Its totient is φ = 21156583954440.

The previous prime is 23448285729637. The next prime is 23448285729653. The reversal of 23448285729649 is 94692758284432.

It is a happy number.

The square root of 23448285729649 is 4842343.

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

It is a de Polignac number, because none of the positive numbers 2^k-23448285729649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23448285729149) 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, 7403940864 + ... + 7403944030.

Almost surely, 2^{23448285729649} is an apocalyptic number.

23448285729649 is the 4842343-rd square number.

23448285729649 is the 2421172-nd centered octagonal number.

It is an amenable number.

23448285729649 is a deficient number, since it is larger than the sum of its proper divisors (2520406133192).

23448285729649 is an frugal number, since it uses more digits than its factorization.

23448285729649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634 (or 3317 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 73.

The spelling of 23448285729649 in words is "twenty-three trillion, four hundred forty-eight billion, two hundred eighty-five million, seven hundred twenty-nine thousand, six hundred forty-nine".