43380444347 has 4 divisors (see below), whose sum is σ = 43867865160. Its totient is φ = 42893023536.

The previous prime is 43380444313. The next prime is 43380444409. The reversal of 43380444347 is 74344408334.

43380444347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43380444347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43380444298 and 43380444307.

It is not an unprimeable number, because it can be changed into a prime (43380444307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243710273 + ... + 243710450.

It is an arithmetic number, because the mean of its divisors is an integer number (10966966290).

Almost surely, 2^43380444347 is an apocalyptic number.

43380444347 is a deficient number, since it is larger than the sum of its proper divisors (487420813).

43380444347 is an equidigital number, since it uses as much as digits as its factorization.

43380444347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487420812.

The product of its (nonzero) digits is 1548288, while the sum is 44.

The spelling of 43380444347 in words is "forty-three billion, three hundred eighty million, four hundred forty-four thousand, three hundred forty-seven".