24012421057 has 2 divisors, whose sum is σ = 24012421058.
Its totient is φ = 24012421056.
The previous prime is 24012421039. The next prime is 24012421091. The reversal of 24012421057 is 75012421042.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22822447041 + 1189974016 = 151071^2 + 34496^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-24012421057 is a prime.
It is not a weakly prime, because it can be changed into another prime (24012421007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12006210528 + 12006210529.
It is an arithmetic number, because the mean of its divisors is an integer number (12006210529).
Almost surely, 224012421057 is an apocalyptic number.
It is an amenable number.
24012421057 is a deficient number, since it is larger than the sum of its proper divisors (1).
24012421057 is an equidigital number, since it uses as much as digits as its factorization.
24012421057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4480, while the sum is 28.
Adding to 24012421057 its reverse (75012421042), we get a palindrome (99024842099).
The spelling of 24012421057 in words is "twenty-four billion, twelve million, four hundred twenty-one thousand, fifty-seven".