43481380347 has 24 divisors (see below), whose sum is σ = 64982268000. Its totient is φ = 27983668608.

The previous prime is 43481380307. The next prime is 43481380361. The reversal of 43481380347 is 74308318434.

It is not a de Polignac number, because 43481380347 - 2⁷ = 43481380219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43481380307) 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, 3144154 + ... + 3157952.

It is an arithmetic number, because the mean of its divisors is an integer number (2707594500).

Almost surely, 2^43481380347 is an apocalyptic number.

43481380347 is a deficient number, since it is larger than the sum of its proper divisors (21500887653).

43481380347 is a wasteful number, since it uses less digits than its factorization.

43481380347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25907 (or 25904 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 43481380347 in words is "forty-three billion, four hundred eighty-one million, three hundred eighty thousand, three hundred forty-seven".