98213989673 has 2 divisors, whose sum is σ = 98213989674. Its totient is φ = 98213989672.

The previous prime is 98213989667. The next prime is 98213989691. The reversal of 98213989673 is 37698931289.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98076701584 + 137288089 = 313172^2 + 11717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98213989673 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (98213980673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49106994836 + 49106994837.

It is an arithmetic number, because the mean of its divisors is an integer number (49106994837).

Almost surely, 2^98213989673 is an apocalyptic number.

It is an amenable number.

98213989673 is a deficient number, since it is larger than the sum of its proper divisors (1).

98213989673 is an equidigital number, since it uses as much as digits as its factorization.

98213989673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 65.

The spelling of 98213989673 in words is "ninety-eight billion, two hundred thirteen million, nine hundred eighty-nine thousand, six hundred seventy-three".