43330218149 has 8 divisors (see below), whose sum is σ = 45586704408. Its totient is φ = 41130858240.

The previous prime is 43330218097. The next prime is 43330218157. The reversal of 43330218149 is 94181203334.

It can be written as a sum of positive squares in 4 ways, for example, as 18753385249 + 24576832900 = 136943^2 + 156770^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43330218149 - 2²⁸ = 43061782693 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 (43330218049) 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 in 7 ways as a sum of consecutive naturals, for example, 14280032 + ... + 14283065.

It is an arithmetic number, because the mean of its divisors is an integer number (5698338051).

Almost surely, 2^43330218149 is an apocalyptic number.

It is an amenable number.

43330218149 is a deficient number, since it is larger than the sum of its proper divisors (2256486259).

43330218149 is a wasteful number, since it uses less digits than its factorization.

43330218149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28563175.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 43330218149 in words is "forty-three billion, three hundred thirty million, two hundred eighteen thousand, one hundred forty-nine".