43859487713 has 2 divisors, whose sum is σ = 43859487714. Its totient is φ = 43859487712.

The previous prime is 43859487701. The next prime is 43859487743. The reversal of 43859487713 is 31778495834.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36224747584 + 7634740129 = 190328^2 + 87377^2 .

It is a cyclic number.

It is not a de Polignac number, because 43859487713 - 2¹² = 43859483617 is a prime.

It is not a weakly prime, because it can be changed into another prime (43859487743) 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 as a sum of consecutive naturals, namely, 21929743856 + 21929743857.

It is an arithmetic number, because the mean of its divisors is an integer number (21929743857).

Almost surely, 2^43859487713 is an apocalyptic number.

It is an amenable number.

43859487713 is a deficient number, since it is larger than the sum of its proper divisors (1).

43859487713 is an equidigital number, since it uses as much as digits as its factorization.

43859487713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 59.

The spelling of 43859487713 in words is "forty-three billion, eight hundred fifty-nine million, four hundred eighty-seven thousand, seven hundred thirteen".