43534643534 has 16 divisors (see below), whose sum is σ = 67108456800. Its totient is φ = 21168551040.

The previous prime is 43534643527. The next prime is 43534643539.

43534643534 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43534643539) 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 in 7 ways as a sum of consecutive naturals, for example, 822434 + ... + 873765.

It is an arithmetic number, because the mean of its divisors is an integer number (4194278550).

Almost surely, 2^43534643534 is an apocalyptic number.

43534643534 is a deficient number, since it is larger than the sum of its proper divisors (23573813266).

43534643534 is a wasteful number, since it uses less digits than its factorization.

43534643534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696555.

The product of its digits is 3110400, while the sum is 44.

The spelling of 43534643534 in words is "forty-three billion, five hundred thirty-four million, six hundred forty-three thousand, five hundred thirty-four".