9898962289 has 2 divisors, whose sum is σ = 9898962290. Its totient is φ = 9898962288.

The previous prime is 9898962257. The next prime is 9898962299. The reversal of 9898962289 is 9822698989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9585389025 + 313573264 = 97905^2 + 17708^2 .

It is an emirp because it is prime and its reverse (9822698989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9898962289 - 2⁵ = 9898962257 is a prime.

It is not a weakly prime, because it can be changed into another prime (9898962299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4949481144 + 4949481145.

It is an arithmetic number, because the mean of its divisors is an integer number (4949481145).

Almost surely, 2^9898962289 is an apocalyptic number.

It is an amenable number.

9898962289 is a deficient number, since it is larger than the sum of its proper divisors (1).

9898962289 is an equidigital number, since it uses as much as digits as its factorization.

9898962289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80621568, while the sum is 70.

The square root of 9898962289 is about 99493.5288800231. The cubic root of 9898962289 is about 2147.1541427164.

The spelling of 9898962289 in words is "nine billion, eight hundred ninety-eight million, nine hundred sixty-two thousand, two hundred eighty-nine".