9698572841 has 2 divisors, whose sum is σ = 9698572842. Its totient is φ = 9698572840.

The previous prime is 9698572823. The next prime is 9698572847. The reversal of 9698572841 is 1482758969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7926162841 + 1772410000 = 89029^2 + 42100^2 .

It is an emirp because it is prime and its reverse (1482758969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9698572841 - 2¹⁸ = 9698310697 is a prime.

It is a super-2 number, since 2×9698572841² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9698572847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4849286420 + 4849286421.

It is an arithmetic number, because the mean of its divisors is an integer number (4849286421).

Almost surely, 2^9698572841 is an apocalyptic number.

It is an amenable number.

9698572841 is a deficient number, since it is larger than the sum of its proper divisors (1).

9698572841 is an equidigital number, since it uses as much as digits as its factorization.

9698572841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 59.

The square root of 9698572841 is about 98481.3324493531. The cubic root of 9698572841 is about 2132.5666372162.

The spelling of 9698572841 in words is "nine billion, six hundred ninety-eight million, five hundred seventy-two thousand, eight hundred forty-one".