98503575689 has 2 divisors, whose sum is σ = 98503575690. Its totient is φ = 98503575688.

The previous prime is 98503575671. The next prime is 98503575787. The reversal of 98503575689 is 98657530589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90055208464 + 8448367225 = 300092^2 + 91915^2 .

It is an emirp because it is prime and its reverse (98657530589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98503575689 - 2³² = 94208608393 is a prime.

It is not a weakly prime, because it can be changed into another prime (98503575649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49251787844 + 49251787845.

It is an arithmetic number, because the mean of its divisors is an integer number (49251787845).

Almost surely, 2^98503575689 is an apocalyptic number.

It is an amenable number.

98503575689 is a deficient number, since it is larger than the sum of its proper divisors (1).

98503575689 is an equidigital number, since it uses as much as digits as its factorization.

98503575689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648000, while the sum is 65.

The spelling of 98503575689 in words is "ninety-eight billion, five hundred three million, five hundred seventy-five thousand, six hundred eighty-nine".