898987954321211 has 2 divisors, whose sum is σ = 898987954321212. Its totient is φ = 898987954321210.

The previous prime is 898987954321199. The next prime is 898987954321279. The reversal of 898987954321211 is 112123459789898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898987954321211 - 2³⁰ = 898986880579387 is a prime.

It is not a weakly prime, because it can be changed into another prime (898987954324211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449493977160605 + 449493977160606.

It is an arithmetic number, because the mean of its divisors is an integer number (449493977160606).

Almost surely, 2^{898987954321211} is an apocalyptic number.

898987954321211 is a deficient number, since it is larger than the sum of its proper divisors (1).

898987954321211 is an equidigital number, since it uses as much as digits as its factorization.

898987954321211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 627056640, while the sum is 77.

The spelling of 898987954321211 in words is "eight hundred ninety-eight trillion, nine hundred eighty-seven billion, nine hundred fifty-four million, three hundred twenty-one thousand, two hundred eleven".