43313317864 has 8 divisors (see below), whose sum is σ = 81212471010. Its totient is φ = 21656658928.

The previous prime is 43313317799. The next prime is 43313317903. The reversal of 43313317864 is 46871331334.

It is a happy number.

43313317864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41633137764 + 1680180100 = 204042^2 + 40990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 43313317864.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2707082359 + ... + 2707082374.

Almost surely, 2^43313317864 is an apocalyptic number.

It is an amenable number.

43313317864 is a deficient number, since it is larger than the sum of its proper divisors (37899153146).

43313317864 is a wasteful number, since it uses less digits than its factorization.

43313317864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414164739 (or 5414164735 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The spelling of 43313317864 in words is "forty-three billion, three hundred thirteen million, three hundred seventeen thousand, eight hundred sixty-four".