4856327561 has 2 divisors, whose sum is σ = 4856327562. Its totient is φ = 4856327560.

The previous prime is 4856327543. The next prime is 4856327633. The reversal of 4856327561 is 1657236584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4540199161 + 316128400 = 67381^2 + 17780^2 .

It is a cyclic number.

It is not a de Polignac number, because 4856327561 - 2¹⁰ = 4856326537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4856329561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428163780 + 2428163781.

It is an arithmetic number, because the mean of its divisors is an integer number (2428163781).

Almost surely, 2^4856327561 is an apocalyptic number.

It is an amenable number.

4856327561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4856327561 is an equidigital number, since it uses as much as digits as its factorization.

4856327561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 47.

The square root of 4856327561 is about 69687.3558186849. The cubic root of 4856327561 is about 1693.4380904727.

The spelling of 4856327561 in words is "four billion, eight hundred fifty-six million, three hundred twenty-seven thousand, five hundred sixty-one".