24252643893 has 4 divisors (see below), whose sum is σ = 32336858528. Its totient is φ = 16168429260.

The previous prime is 24252643847. The next prime is 24252643897. The reversal of 24252643893 is 39834625242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 24252643893 - 2²⁰ = 24251595317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24252643897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4042107313 + ... + 4042107318.

It is an arithmetic number, because the mean of its divisors is an integer number (8084214632).

Almost surely, 2^24252643893 is an apocalyptic number.

It is an amenable number.

24252643893 is a deficient number, since it is larger than the sum of its proper divisors (8084214635).

24252643893 is an equidigital number, since it uses as much as digits as its factorization.

24252643893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084214634.

The product of its digits is 2488320, while the sum is 48.

The spelling of 24252643893 in words is "twenty-four billion, two hundred fifty-two million, six hundred forty-three thousand, eight hundred ninety-three".