43320848018671 has 4 divisors (see below), whose sum is σ = 43347805610832. Its totient is φ = 43293890426512.

The previous prime is 43320848018629. The next prime is 43320848018731. The reversal of 43320848018671 is 17681084802334.

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

It is a cyclic number.

It is not a de Polignac number, because 43320848018671 - 2³¹ = 43318700535023 is a prime.

It is a super-2 number, since 2×43320848018671² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43320848418671) 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, 13478793670 + ... + 13478796883.

It is an arithmetic number, because the mean of its divisors is an integer number (10836951402708).

Almost surely, 2^{43320848018671} is an apocalyptic number.

43320848018671 is a deficient number, since it is larger than the sum of its proper divisors (26957592161).

43320848018671 is a wasteful number, since it uses less digits than its factorization.

43320848018671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26957592160.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 43320848018671 in words is "forty-three trillion, three hundred twenty billion, eight hundred forty-eight million, eighteen thousand, six hundred seventy-one".