2423599009 has 4 divisors (see below), whose sum is σ = 2610029716. Its totient is φ = 2237168304.

The previous prime is 2423599007. The next prime is 2423599021. The reversal of 2423599009 is 9009953242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9009953242 = 2 ⋅4504976621.

It can be written as a sum of positive squares in 2 ways, for example, as 229613409 + 2193985600 = 15153^2 + 46840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423599009 - 2¹ = 2423599007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2423599007) 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, 93215334 + ... + 93215359.

It is an arithmetic number, because the mean of its divisors is an integer number (652507429).

Almost surely, 2^2423599009 is an apocalyptic number.

It is an amenable number.

2423599009 is a deficient number, since it is larger than the sum of its proper divisors (186430707).

2423599009 is a wasteful number, since it uses less digits than its factorization.

2423599009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186430706.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 2423599009 is about 49230.0620454616. The cubic root of 2423599009 is about 1343.2399155045.

The spelling of 2423599009 in words is "two billion, four hundred twenty-three million, five hundred ninety-nine thousand, nine".