43109049 has 4 divisors (see below), whose sum is σ = 57478736. Its totient is φ = 28739364.

The previous prime is 43109041. The next prime is 43109069. The reversal of 43109049 is 94090134.

43109049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 43109049 - 2³ = 43109041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43109041) 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, 7184839 + ... + 7184844.

It is an arithmetic number, because the mean of its divisors is an integer number (14369684).

Almost surely, 2^43109049 is an apocalyptic number.

It is an amenable number.

43109049 is a deficient number, since it is larger than the sum of its proper divisors (14369687).

43109049 is a wasteful number, since it uses less digits than its factorization.

43109049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14369686.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 43109049 is about 6565.7481675739. The cubic root of 43109049 is about 350.6357126693.

The spelling of 43109049 in words is "forty-three million, one hundred nine thousand, forty-nine".