43085248849 has 2 divisors, whose sum is σ = 43085248850. Its totient is φ = 43085248848.

The previous prime is 43085248837. The next prime is 43085248853. The reversal of 43085248849 is 94884258034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37030074624 + 6055174225 = 192432^2 + 77815^2 .

It is a cyclic number.

It is not a de Polignac number, because 43085248849 - 2²⁵ = 43051694417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43085248849.

It is not a weakly prime, because it can be changed into another prime (43085243849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21542624424 + 21542624425.

It is an arithmetic number, because the mean of its divisors is an integer number (21542624425).

Almost surely, 2^43085248849 is an apocalyptic number.

It is an amenable number.

43085248849 is a deficient number, since it is larger than the sum of its proper divisors (1).

43085248849 is an equidigital number, since it uses as much as digits as its factorization.

43085248849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8847360, while the sum is 55.

The spelling of 43085248849 in words is "forty-three billion, eighty-five million, two hundred forty-eight thousand, eight hundred forty-nine".