43534313109 has 64 divisors (see below), whose sum is σ = 76298649600. Its totient is φ = 24013329984.

The previous prime is 43534313063. The next prime is 43534313143. The reversal of 43534313109 is 90131343534.

It is a happy number.

43534313109 is a `hidden beast` number, since 4 + 3 + 534 + 3 + 13 + 109 = 666.

It is not a de Polignac number, because 43534313109 - 2²⁷ = 43400095381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43534213109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 863602 + ... + 912620.

It is an arithmetic number, because the mean of its divisors is an integer number (1192166400).

Almost surely, 2^43534313109 is an apocalyptic number.

It is an amenable number.

43534313109 is a deficient number, since it is larger than the sum of its proper divisors (32764336491).

43534313109 is a wasteful number, since it uses less digits than its factorization.

43534313109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49199 (or 49193 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 43534313109 in words is "forty-three billion, five hundred thirty-four million, three hundred thirteen thousand, one hundred nine".