43691047672 has 16 divisors (see below), whose sum is σ = 82841173200. Its totient is φ = 21600068160.

The previous prime is 43691047661. The next prime is 43691047717. The reversal of 43691047672 is 27674019634.

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 3 ways as a sum of consecutive naturals, for example, 30681204 + ... + 30682627.

It is an arithmetic number, because the mean of its divisors is an integer number (5177573325).

Almost surely, 2^43691047672 is an apocalyptic number.

It is an amenable number.

43691047672 is a deficient number, since it is larger than the sum of its proper divisors (39150125528).

43691047672 is a wasteful number, since it uses less digits than its factorization.

43691047672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61363926 (or 61363922 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 43691047672 in words is "forty-three billion, six hundred ninety-one million, forty-seven thousand, six hundred seventy-two".