43318743189 has 16 divisors (see below), whose sum is σ = 59000954880. Its totient is φ = 28258133040.

The previous prime is 43318743187. The next prime is 43318743211. The reversal of 43318743189 is 98134781334.

It is a happy number.

It is not a de Polignac number, because 43318743189 - 2¹ = 43318743187 is a prime.

It is a super-2 number, since 2×43318743189² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43318743187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613872 + ... + 680790.

It is an arithmetic number, because the mean of its divisors is an integer number (3687559680).

Almost surely, 2^43318743189 is an apocalyptic number.

It is an amenable number.

43318743189 is a deficient number, since it is larger than the sum of its proper divisors (15682211691).

43318743189 is a wasteful number, since it uses less digits than its factorization.

43318743189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71560.

The product of its digits is 1741824, while the sum is 51.

The spelling of 43318743189 in words is "forty-three billion, three hundred eighteen million, seven hundred forty-three thousand, one hundred eighty-nine".