98318408281 has 2 divisors, whose sum is σ = 98318408282. Its totient is φ = 98318408280.

The previous prime is 98318408191. The next prime is 98318408291. The reversal of 98318408281 is 18280481389.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49691543056 + 48626865225 = 222916^2 + 220515^2 .

It is a cyclic number.

It is not a de Polignac number, because 98318408281 - 2¹⁵ = 98318375513 is a prime.

It is a super-2 number, since 2×98318408281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98318408291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49159204140 + 49159204141.

It is an arithmetic number, because the mean of its divisors is an integer number (49159204141).

Almost surely, 2^98318408281 is an apocalyptic number.

It is an amenable number.

98318408281 is a deficient number, since it is larger than the sum of its proper divisors (1).

98318408281 is an equidigital number, since it uses as much as digits as its factorization.

98318408281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 52.

The spelling of 98318408281 in words is "ninety-eight billion, three hundred eighteen million, four hundred eight thousand, two hundred eighty-one".