43211532043 has 2 divisors, whose sum is σ = 43211532044. Its totient is φ = 43211532042.

The previous prime is 43211532029. The next prime is 43211532061. The reversal of 43211532043 is 34023511234.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43211532043 - 2¹⁷ = 43211400971 is a prime.

It is not a weakly prime, because it can be changed into another prime (43211532073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21605766021 + 21605766022.

It is an arithmetic number, because the mean of its divisors is an integer number (21605766022).

Almost surely, 2^43211532043 is an apocalyptic number.

43211532043 is a deficient number, since it is larger than the sum of its proper divisors (1).

43211532043 is an equidigital number, since it uses as much as digits as its factorization.

43211532043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 43211532043 in words is "forty-three billion, two hundred eleven million, five hundred thirty-two thousand, forty-three".