4897448161 has 2 divisors, whose sum is σ = 4897448162. Its totient is φ = 4897448160.

The previous prime is 4897448159. The next prime is 4897448197. The reversal of 4897448161 is 1618447984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3703331025 + 1194117136 = 60855^2 + 34556^2 .

It is a cyclic number.

It is not a de Polignac number, because 4897448161 - 2¹ = 4897448159 is a prime.

Together with 4897448159, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4897448099 and 4897448108.

It is not a weakly prime, because it can be changed into another prime (4897448461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2448724080 + 2448724081.

It is an arithmetic number, because the mean of its divisors is an integer number (2448724081).

Almost surely, 2^4897448161 is an apocalyptic number.

It is an amenable number.

4897448161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4897448161 is an equidigital number, since it uses as much as digits as its factorization.

4897448161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 52.

The square root of 4897448161 is about 69981.7702048183. The cubic root of 4897448161 is about 1698.2043509315.

The spelling of 4897448161 in words is "four billion, eight hundred ninety-seven million, four hundred forty-eight thousand, one hundred sixty-one".