43473018871 has 4 divisors (see below), whose sum is σ = 43485554200. Its totient is φ = 43460483544.

The previous prime is 43473018859. The next prime is 43473018889. The reversal of 43473018871 is 17881037434.

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 43473018871 - 2¹⁵ = 43472986103 is a prime.

It is a super-2 number, since 2×43473018871² (a number of 22 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 (43473018811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6262461 + ... + 6269398.

It is an arithmetic number, because the mean of its divisors is an integer number (10871388550).

Almost surely, 2^43473018871 is an apocalyptic number.

43473018871 is a deficient number, since it is larger than the sum of its proper divisors (12535329).

43473018871 is a wasteful number, since it uses less digits than its factorization.

43473018871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535328.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 43473018871 in words is "forty-three billion, four hundred seventy-three million, eighteen thousand, eight hundred seventy-one".