24245254249 has 2 divisors, whose sum is σ = 24245254250. Its totient is φ = 24245254248.

The previous prime is 24245254237. The next prime is 24245254277. The reversal of 24245254249 is 94245254242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19471411600 + 4773842649 = 139540^2 + 69093^2 .

It is a cyclic number.

It is not a de Polignac number, because 24245254249 - 2²⁵ = 24211699817 is a prime.

It is not a weakly prime, because it can be changed into another prime (24245284249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12122627124 + 12122627125.

It is an arithmetic number, because the mean of its divisors is an integer number (12122627125).

Almost surely, 2^24245254249 is an apocalyptic number.

It is an amenable number.

24245254249 is a deficient number, since it is larger than the sum of its proper divisors (1).

24245254249 is an equidigital number, since it uses as much as digits as its factorization.

24245254249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 921600, while the sum is 43.

The spelling of 24245254249 in words is "twenty-four billion, two hundred forty-five million, two hundred fifty-four thousand, two hundred forty-nine".