43718000869 has 2 divisors, whose sum is σ = 43718000870. Its totient is φ = 43718000868.

The previous prime is 43718000803. The next prime is 43718000891. The reversal of 43718000869 is 96800081734.

It is a happy number.

43718000869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40466150244 + 3251850625 = 201162^2 + 57025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43718000869 is a prime.

It is a super-2 number, since 2×43718000869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43718003869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21859000434 + 21859000435.

It is an arithmetic number, because the mean of its divisors is an integer number (21859000435).

Almost surely, 2^43718000869 is an apocalyptic number.

It is an amenable number.

43718000869 is a deficient number, since it is larger than the sum of its proper divisors (1).

43718000869 is an equidigital number, since it uses as much as digits as its factorization.

43718000869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 43718000869 in words is "forty-three billion, seven hundred eighteen million, eight hundred sixty-nine", and thus it is an aban number.