24138383809 has 4 divisors (see below), whose sum is σ = 24699741616. Its totient is φ = 23577026004.

The previous prime is 24138383803. The next prime is 24138383851. The reversal of 24138383809 is 90838383142.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24138383809 - 2¹³ = 24138375617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24138383803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280678839 + ... + 280678924.

It is an arithmetic number, because the mean of its divisors is an integer number (6174935404).

Almost surely, 2^24138383809 is an apocalyptic number.

It is an amenable number.

24138383809 is a deficient number, since it is larger than the sum of its proper divisors (561357807).

24138383809 is an equidigital number, since it uses as much as digits as its factorization.

24138383809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561357806.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 24138383809 in words is "twenty-four billion, one hundred thirty-eight million, three hundred eighty-three thousand, eight hundred nine".