9998149141 has 2 divisors, whose sum is σ = 9998149142. Its totient is φ = 9998149140.

The previous prime is 9998149121. The next prime is 9998149159. The reversal of 9998149141 is 1419418999.

9998149141 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9763416100 + 234733041 = 98810^2 + 15321^2 .

It is an emirp because it is prime and its reverse (1419418999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9998149141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9998149111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999074570 + 4999074571.

It is an arithmetic number, because the mean of its divisors is an integer number (4999074571).

Almost surely, 2^9998149141 is an apocalyptic number.

It is an amenable number.

9998149141 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998149141 is an equidigital number, since it uses as much as digits as its factorization.

9998149141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 55.

The square root of 9998149141 is about 99990.7452767505. The cubic root of 9998149141 is about 2154.3017633361.

The spelling of 9998149141 in words is "nine billion, nine hundred ninety-eight million, one hundred forty-nine thousand, one hundred forty-one".