23755969249 has 12 divisors (see below), whose sum is σ = 25084224660. Its totient is φ = 22494762720.

The previous prime is 23755969247. The next prime is 23755969277. The reversal of 23755969249 is 94296955732.

It can be written as a sum of positive squares in 2 ways, for example, as 19090396224 + 4665573025 = 138168^2 + 68305^2 .

It is not a de Polignac number, because 23755969249 - 2¹ = 23755969247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23755969247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 786967 + ... + 816595.

It is an arithmetic number, because the mean of its divisors is an integer number (2090352055).

Almost surely, 2^23755969249 is an apocalyptic number.

It is an amenable number.

23755969249 is a deficient number, since it is larger than the sum of its proper divisors (1328255411).

23755969249 is a wasteful number, since it uses less digits than its factorization.

23755969249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31888 (or 31869 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 61.

The spelling of 23755969249 in words is "twenty-three billion, seven hundred fifty-five million, nine hundred sixty-nine thousand, two hundred forty-nine".