4819559161 has 2 divisors, whose sum is σ = 4819559162. Its totient is φ = 4819559160.

The previous prime is 4819559159. The next prime is 4819559201. The reversal of 4819559161 is 1619559184.

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., 4699788025 + 119771136 = 68555^2 + 10944^2 .

It is a cyclic number.

It is not a de Polignac number, because 4819559161 - 2¹ = 4819559159 is a prime.

Together with 4819559159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4819559461) 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, 2409779580 + 2409779581.

It is an arithmetic number, because the mean of its divisors is an integer number (2409779581).

Almost surely, 2^4819559161 is an apocalyptic number.

It is an amenable number.

4819559161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4819559161 is an equidigital number, since it uses as much as digits as its factorization.

4819559161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 49.

The square root of 4819559161 is about 69423.0448842457. The cubic root of 4819559161 is about 1689.1534526370.

The spelling of 4819559161 in words is "four billion, eight hundred nineteen million, five hundred fifty-nine thousand, one hundred sixty-one".