65532416069 has 2 divisors, whose sum is σ = 65532416070. Its totient is φ = 65532416068.

The previous prime is 65532416041. The next prime is 65532416071. The reversal of 65532416069 is 96061423556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50492337025 + 15040079044 = 224705^2 + 122638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65532416069 is a prime.

It is a super-2 number, since 2×65532416069² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 65532416071, it forms a pair of twin primes.

It is a Chen 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 (65532413069) 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, 32766208034 + 32766208035.

It is an arithmetic number, because the mean of its divisors is an integer number (32766208035).

Almost surely, 2^65532416069 is an apocalyptic number.

It is an amenable number.

65532416069 is a deficient number, since it is larger than the sum of its proper divisors (1).

65532416069 is an equidigital number, since it uses as much as digits as its factorization.

65532416069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 65532416069 in words is "sixty-five billion, five hundred thirty-two million, four hundred sixteen thousand, sixty-nine".