4242308009 has 4 divisors (see below), whose sum is σ = 4242690816. Its totient is φ = 4241925204.

The previous prime is 4242307981. The next prime is 4242308017. The reversal of 4242308009 is 9008032424.

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 a de Polignac number, because none of the positive numbers 2^k-4242308009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242308039) 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, 174269 + ... + 197114.

It is an arithmetic number, because the mean of its divisors is an integer number (1060672704).

Almost surely, 2^4242308009 is an apocalyptic number.

It is an amenable number.

4242308009 is a deficient number, since it is larger than the sum of its proper divisors (382807).

4242308009 is a wasteful number, since it uses less digits than its factorization.

4242308009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382806.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4242308009 is about 65133.0024565120. The cubic root of 4242308009 is about 1618.8280922677.

The spelling of 4242308009 in words is "four billion, two hundred forty-two million, three hundred eight thousand, nine".