24011242421 has 2 divisors, whose sum is σ = 24011242422. Its totient is φ = 24011242420.

The previous prime is 24011242399. The next prime is 24011242447. The reversal of 24011242421 is 12424211042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16274104900 + 7737137521 = 127570^2 + 87961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24011242421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24011242471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12005621210 + 12005621211.

It is an arithmetic number, because the mean of its divisors is an integer number (12005621211).

Almost surely, 2^24011242421 is an apocalyptic number.

It is an amenable number.

24011242421 is a deficient number, since it is larger than the sum of its proper divisors (1).

24011242421 is an equidigital number, since it uses as much as digits as its factorization.

24011242421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 24011242421 its reverse (12424211042), we get a palindrome (36435453463).

The spelling of 24011242421 in words is "twenty-four billion, eleven million, two hundred forty-two thousand, four hundred twenty-one".