4397716849 has 2 divisors, whose sum is σ = 4397716850. Its totient is φ = 4397716848.

The previous prime is 4397716837. The next prime is 4397716879. The reversal of 4397716849 is 9486177934.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3831610000 + 566106849 = 61900^2 + 23793^2 .

It is a cyclic number.

It is not a de Polignac number, because 4397716849 - 2¹³ = 4397708657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4397716793 and 4397716802.

It is not a weakly prime, because it can be changed into another prime (4397716819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198858424 + 2198858425.

It is an arithmetic number, because the mean of its divisors is an integer number (2198858425).

Almost surely, 2^4397716849 is an apocalyptic number.

It is an amenable number.

4397716849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4397716849 is an equidigital number, since it uses as much as digits as its factorization.

4397716849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 58.

The square root of 4397716849 is about 66315.2836757862. The cubic root of 4397716849 is about 1638.3590627426.

The spelling of 4397716849 in words is "four billion, three hundred ninety-seven million, seven hundred sixteen thousand, eight hundred forty-nine".