43849696917 has 16 divisors (see below), whose sum is σ = 63241053120. Its totient is φ = 26865549312.

The previous prime is 43849696879. The next prime is 43849696927. The reversal of 43849696917 is 71969694834.

It is not a de Polignac number, because 43849696917 - 2⁶ = 43849696853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43849696927) 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 15 ways as a sum of consecutive naturals, for example, 2467692 + ... + 2485397.

It is an arithmetic number, because the mean of its divisors is an integer number (3952565820).

Almost surely, 2^43849696917 is an apocalyptic number.

It is an amenable number.

43849696917 is a deficient number, since it is larger than the sum of its proper divisors (19391356203).

43849696917 is a wasteful number, since it uses less digits than its factorization.

43849696917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953332.

The product of its digits is 70543872, while the sum is 66.

The spelling of 43849696917 in words is "forty-three billion, eight hundred forty-nine million, six hundred ninety-six thousand, nine hundred seventeen".