98990109599 has 2 divisors, whose sum is σ = 98990109600. Its totient is φ = 98990109598.

The previous prime is 98990109583. The next prime is 98990109613. The reversal of 98990109599 is 99590109989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98990109599 - 2⁴ = 98990109583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98990109529) 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, 49495054799 + 49495054800.

It is an arithmetic number, because the mean of its divisors is an integer number (49495054800).

Almost surely, 2^98990109599 is an apocalyptic number.

98990109599 is a deficient number, since it is larger than the sum of its proper divisors (1).

98990109599 is an equidigital number, since it uses as much as digits as its factorization.

98990109599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21257640, while the sum is 68.

The spelling of 98990109599 in words is "ninety-eight billion, nine hundred ninety million, one hundred nine thousand, five hundred ninety-nine".