24314210021 has 2 divisors, whose sum is σ = 24314210022. Its totient is φ = 24314210020.

The previous prime is 24314210003. The next prime is 24314210117. The reversal of 24314210021 is 12001241342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18732028225 + 5582181796 = 136865^2 + 74714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24314210021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24314209975 and 24314210002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24314210321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12157105010 + 12157105011.

It is an arithmetic number, because the mean of its divisors is an integer number (12157105011).

Almost surely, 2^24314210021 is an apocalyptic number.

It is an amenable number.

24314210021 is a deficient number, since it is larger than the sum of its proper divisors (1).

24314210021 is an equidigital number, since it uses as much as digits as its factorization.

24314210021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 24314210021 its reverse (12001241342), we get a palindrome (36315451363).

The spelling of 24314210021 in words is "twenty-four billion, three hundred fourteen million, two hundred ten thousand, twenty-one".