43730894113 has 2 divisors, whose sum is σ = 43730894114. Its totient is φ = 43730894112.

The previous prime is 43730893949. The next prime is 43730894117. The reversal of 43730894113 is 31149803734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43254432529 + 476461584 = 207977^2 + 21828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43730894113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43730894113.

It is not a weakly prime, because it can be changed into another prime (43730894117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21865447056 + 21865447057.

It is an arithmetic number, because the mean of its divisors is an integer number (21865447057).

Almost surely, 2^43730894113 is an apocalyptic number.

It is an amenable number.

43730894113 is a deficient number, since it is larger than the sum of its proper divisors (1).

43730894113 is an equidigital number, since it uses as much as digits as its factorization.

43730894113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 43730894113 in words is "forty-three billion, seven hundred thirty million, eight hundred ninety-four thousand, one hundred thirteen".