24720543229 has 2 divisors, whose sum is σ = 24720543230. Its totient is φ = 24720543228.

The previous prime is 24720543191. The next prime is 24720543233. The reversal of 24720543229 is 92234502742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15845019129 + 8875524100 = 125877^2 + 94210^2 .

It is a cyclic number.

It is not a de Polignac number, because 24720543229 - 2¹⁹ = 24720018941 is a prime.

It is a super-2 number, since 2×24720543229² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24720543191 and 24720543200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24720543259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12360271614 + 12360271615.

It is an arithmetic number, because the mean of its divisors is an integer number (12360271615).

Almost surely, 2^24720543229 is an apocalyptic number.

It is an amenable number.

24720543229 is a deficient number, since it is larger than the sum of its proper divisors (1).

24720543229 is an equidigital number, since it uses as much as digits as its factorization.

24720543229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 24720543229 in words is "twenty-four billion, seven hundred twenty million, five hundred forty-three thousand, two hundred twenty-nine".