98643019 has 2 divisors, whose sum is σ = 98643020. Its totient is φ = 98643018.

The previous prime is 98643001. The next prime is 98643037. The reversal of 98643019 is 91034689.

It is a balanced prime because it is at equal distance from previous prime (98643001) and next prime (98643037).

It is a cyclic number.

It is not a de Polignac number, because 98643019 - 2¹⁹ = 98118731 is a prime.

It is a super-2 number, since 2×98643019² = 19460890394868722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98643049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49321509 + 49321510.

It is an arithmetic number, because the mean of its divisors is an integer number (49321510).

Almost surely, 2^98643019 is an apocalyptic number.

98643019 is a deficient number, since it is larger than the sum of its proper divisors (1).

98643019 is an equidigital number, since it uses as much as digits as its factorization.

98643019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 98643019 is about 9931.9192002352. The cubic root of 98643019 is about 462.0497984838.

The spelling of 98643019 in words is "ninety-eight million, six hundred forty-three thousand, nineteen".