9998048519 has 2 divisors, whose sum is σ = 9998048520. Its totient is φ = 9998048518.

The previous prime is 9998048471. The next prime is 9998048581. The reversal of 9998048519 is 9158408999.

It is an a-pointer prime, because the next prime (9998048581) can be obtained adding 9998048519 to its sum of digits (62).

It is a weak prime.

It is an emirp because it is prime and its reverse (9158408999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9998048519 - 2²⁴ = 9981271303 is a prime.

It is a super-2 number, since 2×9998048519² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9998041519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999024259 + 4999024260.

It is an arithmetic number, because the mean of its divisors is an integer number (4999024260).

Almost surely, 2^9998048519 is an apocalyptic number.

9998048519 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998048519 is an equidigital number, since it uses as much as digits as its factorization.

9998048519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 62.

The square root of 9998048519 is about 99990.2421189188. The cubic root of 9998048519 is about 2154.2945363025.

The spelling of 9998048519 in words is "nine billion, nine hundred ninety-eight million, forty-eight thousand, five hundred nineteen".