2443028909 has 2 divisors, whose sum is σ = 2443028910. Its totient is φ = 2443028908.

The previous prime is 2443028891. The next prime is 2443028921. The reversal of 2443028909 is 9098203442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697192809 + 745836100 = 41197^2 + 27310^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443028909 - 2²⁴ = 2426251693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2443028969) 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 as a sum of consecutive naturals, namely, 1221514454 + 1221514455.

It is an arithmetic number, because the mean of its divisors is an integer number (1221514455).

Almost surely, 2^2443028909 is an apocalyptic number.

It is an amenable number.

2443028909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443028909 is an equidigital number, since it uses as much as digits as its factorization.

2443028909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 2443028909 is about 49427.0058672382. The cubic root of 2443028909 is about 1346.8199330985.

The spelling of 2443028909 in words is "two billion, four hundred forty-three million, twenty-eight thousand, nine hundred nine".