43400213043 has 16 divisors (see below), whose sum is σ = 63131360256. Its totient is φ = 26301585440.

The previous prime is 43400212967. The next prime is 43400213071. The reversal of 43400213043 is 34031200434.

43400213043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43400213043 - 2²⁴ = 43383435827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43400213093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 767230 + ... + 821852.

It is an arithmetic number, because the mean of its divisors is an integer number (3945710016).

Almost surely, 2^43400213043 is an apocalyptic number.

43400213043 is a deficient number, since it is larger than the sum of its proper divisors (19731147213).

43400213043 is a wasteful number, since it uses less digits than its factorization.

43400213043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78714.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 43400213043 its reverse (34031200434), we get a palindrome (77431413477).

The spelling of 43400213043 in words is "forty-three billion, four hundred million, two hundred thirteen thousand, forty-three".