22409513409 has 4 divisors (see below), whose sum is σ = 29879351216. Its totient is φ = 14939675604.

The previous prime is 22409513381. The next prime is 22409513443. The reversal of 22409513409 is 90431590422.

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 not a de Polignac number, because 22409513409 - 2¹² = 22409509313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22409513309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3734918899 + ... + 3734918904.

It is an arithmetic number, because the mean of its divisors is an integer number (7469837804).

Almost surely, 2^22409513409 is an apocalyptic number.

It is an amenable number.

22409513409 is a deficient number, since it is larger than the sum of its proper divisors (7469837807).

22409513409 is an equidigital number, since it uses as much as digits as its factorization.

22409513409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469837806.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 22409513409 in words is "twenty-two billion, four hundred nine million, five hundred thirteen thousand, four hundred nine".