2065524623321 has 2 divisors, whose sum is σ = 2065524623322. Its totient is φ = 2065524623320.

The previous prime is 2065524623251. The next prime is 2065524623333. The reversal of 2065524623321 is 1233264255602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2058478867600 + 7045755721 = 1434740^2 + 83939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065524623321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2065524623521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032762311660 + 1032762311661.

It is an arithmetic number, because the mean of its divisors is an integer number (1032762311661).

Almost surely, 2^{2065524623321} is an apocalyptic number.

It is an amenable number.

2065524623321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065524623321 is an equidigital number, since it uses as much as digits as its factorization.

2065524623321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 2065524623321 its reverse (1233264255602), we get a palindrome (3298788878923).

The spelling of 2065524623321 in words is "two trillion, sixty-five billion, five hundred twenty-four million, six hundred twenty-three thousand, three hundred twenty-one".