43507343845 has 16 divisors (see below), whose sum is σ = 60645368448. Its totient is φ = 29344530240.

The previous prime is 43507343827. The next prime is 43507343851. The reversal of 43507343845 is 54834370534.

It is not a de Polignac number, because 43507343845 - 2¹³ = 43507335653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43507343795 and 43507343804.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10186939 + ... + 10191208.

It is an arithmetic number, because the mean of its divisors is an integer number (3790335528).

Almost surely, 2^43507343845 is an apocalyptic number.

It is an amenable number.

43507343845 is a deficient number, since it is larger than the sum of its proper divisors (17138024603).

43507343845 is a wasteful number, since it uses less digits than its factorization.

43507343845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20378220.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 43507343845 in words is "forty-three billion, five hundred seven million, three hundred forty-three thousand, eight hundred forty-five".