2443428109 has 4 divisors (see below), whose sum is σ = 2467150816. Its totient is φ = 2419705404.

The previous prime is 2443428107. The next prime is 2443428131. The reversal of 2443428109 is 9018243442.

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 2443428109 - 2¹ = 2443428107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443428107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11861199 + ... + 11861404.

It is an arithmetic number, because the mean of its divisors is an integer number (616787704).

Almost surely, 2^2443428109 is an apocalyptic number.

It is an amenable number.

2443428109 is a deficient number, since it is larger than the sum of its proper divisors (23722707).

2443428109 is a wasteful number, since it uses less digits than its factorization.

2443428109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23722706.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 2443428109 is about 49431.0439804785. The cubic root of 2443428109 is about 1346.8932875635.

The spelling of 2443428109 in words is "two billion, four hundred forty-three million, four hundred twenty-eight thousand, one hundred nine".