43916069 has 2 divisors, whose sum is σ = 43916070. Its totient is φ = 43916068.

The previous prime is 43916053. The next prime is 43916099. The reversal of 43916069 is 96061934.

43916069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40475044 + 3441025 = 6362^2 + 1855^2 .

It is a cyclic number.

It is not a de Polignac number, because 43916069 - 2⁴ = 43916053 is a prime.

It is a super-2 number, since 2×43916069² = 3857242232825522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43916099) 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 as a sum of consecutive naturals, namely, 21958034 + 21958035.

It is an arithmetic number, because the mean of its divisors is an integer number (21958035).

Almost surely, 2^43916069 is an apocalyptic number.

It is an amenable number.

43916069 is a deficient number, since it is larger than the sum of its proper divisors (1).

43916069 is an equidigital number, since it uses as much as digits as its factorization.

43916069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 43916069 is about 6626.9200236611. The cubic root of 43916069 is about 352.8102166619.

The spelling of 43916069 in words is "forty-three million, nine hundred sixteen thousand, sixty-nine".