43781132047 has 8 divisors (see below), whose sum is σ = 44112530000. Its totient is φ = 43449969024.

The previous prime is 43781131991. The next prime is 43781132051. The reversal of 43781132047 is 74023118734.

43781132047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43781132047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43781139047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324823 + ... + 439399.

It is an arithmetic number, because the mean of its divisors is an integer number (5514066250).

Almost surely, 2^43781132047 is an apocalyptic number.

43781132047 is a deficient number, since it is larger than the sum of its proper divisors (331397953).

43781132047 is a wasteful number, since it uses less digits than its factorization.

43781132047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117465.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 43781132047 in words is "forty-three billion, seven hundred eighty-one million, one hundred thirty-two thousand, forty-seven".