98648128841 has 2 divisors, whose sum is σ = 98648128842. Its totient is φ = 98648128840.

The previous prime is 98648128823. The next prime is 98648128849. The reversal of 98648128841 is 14882184689.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90177687616 + 8470441225 = 300296^2 + 92035^2 .

It is an emirp because it is prime and its reverse (14882184689) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98648128841 - 2¹⁰ = 98648127817 is a prime.

It is not a weakly prime, because it can be changed into another prime (98648128849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49324064420 + 49324064421.

It is an arithmetic number, because the mean of its divisors is an integer number (49324064421).

Almost surely, 2^98648128841 is an apocalyptic number.

It is an amenable number.

98648128841 is a deficient number, since it is larger than the sum of its proper divisors (1).

98648128841 is an equidigital number, since it uses as much as digits as its factorization.

98648128841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7077888, while the sum is 59.

The spelling of 98648128841 in words is "ninety-eight billion, six hundred forty-eight million, one hundred twenty-eight thousand, eight hundred forty-one".