98989729413089 has 2 divisors, whose sum is σ = 98989729413090. Its totient is φ = 98989729413088.

The previous prime is 98989729413037. The next prime is 98989729413131. The reversal of 98989729413089 is 98031492798989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56764425803089 + 42225303610000 = 7534217^2 + 6498100^2 .

It is an emirp because it is prime and its reverse (98031492798989) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98989729413089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98989729413089.

It is not a weakly prime, because it can be changed into another prime (98989729413689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49494864706544 + 49494864706545.

It is an arithmetic number, because the mean of its divisors is an integer number (49494864706545).

Almost surely, 2^{98989729413089} is an apocalyptic number.

It is an amenable number.

98989729413089 is a deficient number, since it is larger than the sum of its proper divisors (1).

98989729413089 is an equidigital number, since it uses as much as digits as its factorization.

98989729413089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5079158784, while the sum is 86.

The spelling of 98989729413089 in words is "ninety-eight trillion, nine hundred eighty-nine billion, seven hundred twenty-nine million, four hundred thirteen thousand, eighty-nine".