43913047871 has 24 divisors (see below), whose sum is σ = 58408428960. Its totient is φ = 32205127680.

The previous prime is 43913047813. The next prime is 43913047877. The reversal of 43913047871 is 17874031934.

It is not a de Polignac number, because 43913047871 - 2⁶ = 43913047807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43913047877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1510466 + ... + 1539263.

It is an arithmetic number, because the mean of its divisors is an integer number (2433684540).

Almost surely, 2^43913047871 is an apocalyptic number.

43913047871 is a deficient number, since it is larger than the sum of its proper divisors (14495381089).

43913047871 is a wasteful number, since it uses less digits than its factorization.

43913047871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049775 (or 3049764 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 43913047871 in words is "forty-three billion, nine hundred thirteen million, forty-seven thousand, eight hundred seventy-one".