43353440213 has 4 divisors (see below), whose sum is σ = 43354251360. Its totient is φ = 43352629068.

The previous prime is 43353440191. The next prime is 43353440227. The reversal of 43353440213 is 31204435334.

43353440213 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, and also an emirpimes, since its reverse is a distinct semiprime: 31204435334 = 2 ⋅15602217667.

It is a cyclic number.

It is not a de Polignac number, because 43353440213 - 2⁸ = 43353439957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43353440213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43353400213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319283 + ... + 434336.

It is an arithmetic number, because the mean of its divisors is an integer number (10838562840).

Almost surely, 2^43353440213 is an apocalyptic number.

It is an amenable number.

43353440213 is a deficient number, since it is larger than the sum of its proper divisors (811147).

43353440213 is an equidigital number, since it uses as much as digits as its factorization.

43353440213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811146.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 43353440213 its reverse (31204435334), we get a palindrome (74557875547).

The spelling of 43353440213 in words is "forty-three billion, three hundred fifty-three million, four hundred forty thousand, two hundred thirteen".