4098498161 has 2 divisors, whose sum is σ = 4098498162. Its totient is φ = 4098498160.

The previous prime is 4098498143. The next prime is 4098498197. The reversal of 4098498161 is 1618948904.

4098498161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3984008161 + 114490000 = 63119^2 + 10700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4098498161 is a prime.

It is not a weakly prime, because it can be changed into another prime (4098498101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049249080 + 2049249081.

It is an arithmetic number, because the mean of its divisors is an integer number (2049249081).

Almost surely, 2^4098498161 is an apocalyptic number.

It is an amenable number.

4098498161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4098498161 is an equidigital number, since it uses as much as digits as its factorization.

4098498161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 4098498161 is about 64019.5139078703. The cubic root of 4098498161 is about 1600.3252152726.

The spelling of 4098498161 in words is "four billion, ninety-eight million, four hundred ninety-eight thousand, one hundred sixty-one".