98734019663729 has 2 divisors, whose sum is σ = 98734019663730. Its totient is φ = 98734019663728.

The previous prime is 98734019663707. The next prime is 98734019663771. The reversal of 98734019663729 is 92736691043789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98603013309025 + 131006354704 = 9929905^2 + 361948^2 .

It is a cyclic number.

It is not a de Polignac number, because 98734019663729 - 2³² = 98729724696433 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 (98734019663779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49367009831864 + 49367009831865.

It is an arithmetic number, because the mean of its divisors is an integer number (49367009831865).

Almost surely, 2^{98734019663729} is an apocalyptic number.

It is an amenable number.

98734019663729 is a deficient number, since it is larger than the sum of its proper divisors (1).

98734019663729 is an equidigital number, since it uses as much as digits as its factorization.

98734019663729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740710656, while the sum is 74.

The spelling of 98734019663729 in words is "ninety-eight trillion, seven hundred thirty-four billion, nineteen million, six hundred sixty-three thousand, seven hundred twenty-nine".