24530073209 has 2 divisors, whose sum is σ = 24530073210. Its totient is φ = 24530073208.

The previous prime is 24530073203. The next prime is 24530073221. The reversal of 24530073209 is 90237003542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13676600809 + 10853472400 = 116947^2 + 104180^2 .

It is a cyclic number.

It is not a de Polignac number, because 24530073209 - 2⁴ = 24530073193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (24530073203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12265036604 + 12265036605.

It is an arithmetic number, because the mean of its divisors is an integer number (12265036605).

Almost surely, 2^24530073209 is an apocalyptic number.

It is an amenable number.

24530073209 is a deficient number, since it is larger than the sum of its proper divisors (1).

24530073209 is an equidigital number, since it uses as much as digits as its factorization.

24530073209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 24530073209 in words is "twenty-four billion, five hundred thirty million, seventy-three thousand, two hundred nine".