43522434543 has 16 divisors (see below), whose sum is σ = 66442505216. Its totient is φ = 24823985760.

The previous prime is 43522434539. The next prime is 43522434559. The reversal of 43522434543 is 34543422534.

43522434543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43522434543 - 2² = 43522434539 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 (43522434533) 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, 1904071 + ... + 1926792.

It is an arithmetic number, because the mean of its divisors is an integer number (4152656576).

Almost surely, 2^43522434543 is an apocalyptic number.

43522434543 is a deficient number, since it is larger than the sum of its proper divisors (22920070673).

43522434543 is a wasteful number, since it uses less digits than its factorization.

43522434543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831414.

The product of its digits is 691200, while the sum is 39.

The spelling of 43522434543 in words is "forty-three billion, five hundred twenty-two million, four hundred thirty-four thousand, five hundred forty-three".