65602361189 has 2 divisors, whose sum is σ = 65602361190. Its totient is φ = 65602361188.

The previous prime is 65602361177. The next prime is 65602361243. The reversal of 65602361189 is 98116320656.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61885020289 + 3717340900 = 248767^2 + 60970^2 .

It is a cyclic number.

It is not a de Polignac number, because 65602361189 - 2¹⁶ = 65602295653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65602361129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32801180594 + 32801180595.

It is an arithmetic number, because the mean of its divisors is an integer number (32801180595).

Almost surely, 2^65602361189 is an apocalyptic number.

It is an amenable number.

65602361189 is a deficient number, since it is larger than the sum of its proper divisors (1).

65602361189 is an equidigital number, since it uses as much as digits as its factorization.

65602361189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 65602361189 in words is "sixty-five billion, six hundred two million, three hundred sixty-one thousand, one hundred eighty-nine".