2098748881 has 2 divisors, whose sum is σ = 2098748882. Its totient is φ = 2098748880.

The previous prime is 2098748851. The next prime is 2098748929. The reversal of 2098748881 is 1888478902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2081184400 + 17564481 = 45620^2 + 4191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098748881 - 2¹⁷ = 2098617809 is a prime.

It is a super-3 number, since 3×2098748881³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2098748801) 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, 1049374440 + 1049374441.

It is an arithmetic number, because the mean of its divisors is an integer number (1049374441).

Almost surely, 2^2098748881 is an apocalyptic number.

It is an amenable number.

2098748881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098748881 is an equidigital number, since it uses as much as digits as its factorization.

2098748881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2064384, while the sum is 55.

The square root of 2098748881 is about 45812.1040883302. The cubic root of 2098748881 is about 1280.3248038442.

The spelling of 2098748881 in words is "two billion, ninety-eight million, seven hundred forty-eight thousand, eight hundred eighty-one".