24340214021 has 2 divisors, whose sum is σ = 24340214022. Its totient is φ = 24340214020.

The previous prime is 24340213999. The next prime is 24340214047. The reversal of 24340214021 is 12041204342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21635173921 + 2705040100 = 147089^2 + 52010^2 .

It is a cyclic number.

It is not a de Polignac number, because 24340214021 - 2⁶ = 24340213957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24340214621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12170107010 + 12170107011.

It is an arithmetic number, because the mean of its divisors is an integer number (12170107011).

Almost surely, 2^24340214021 is an apocalyptic number.

It is an amenable number.

24340214021 is a deficient number, since it is larger than the sum of its proper divisors (1).

24340214021 is an equidigital number, since it uses as much as digits as its factorization.

24340214021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 24340214021 its reverse (12041204342), we get a palindrome (36381418363).

The spelling of 24340214021 in words is "twenty-four billion, three hundred forty million, two hundred fourteen thousand, twenty-one".