2399023009 has 8 divisors (see below), whose sum is σ = 2478141440. Its totient is φ = 2320012800.

The previous prime is 2399022959. The next prime is 2399023031. The reversal of 2399023009 is 9003209932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2399023009 is a prime.

It is a super-2 number, since 2×2399023009² = 11510622795422828162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2399023069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19297 + ... + 71905.

It is an arithmetic number, because the mean of its divisors is an integer number (309767680).

Almost surely, 2^2399023009 is an apocalyptic number.

It is an amenable number.

2399023009 is a deficient number, since it is larger than the sum of its proper divisors (79118431).

2399023009 is a wasteful number, since it uses less digits than its factorization.

2399023009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54111.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 2399023009 is about 48979.8224680327. The cubic root of 2399023009 is about 1338.6842005158.

The spelling of 2399023009 in words is "two billion, three hundred ninety-nine million, twenty-three thousand, nine".