43947684016 has 10 divisors (see below), whose sum is σ = 85148637812. Its totient is φ = 21973842000.

The previous prime is 43947683953. The next prime is 43947684017. The reversal of 43947684016 is 61048674934.

43947684016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (43947684017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373365110 + ... + 1373365141.

Almost surely, 2^43947684016 is an apocalyptic number.

It is an amenable number.

43947684016 is a deficient number, since it is larger than the sum of its proper divisors (41200953796).

43947684016 is a wasteful number, since it uses less digits than its factorization.

43947684016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746730259 (or 2746730253 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 43947684016 in words is "forty-three billion, nine hundred forty-seven million, six hundred eighty-four thousand, sixteen".