65062221613 has 2 divisors, whose sum is σ = 65062221614. Its totient is φ = 65062221612.

The previous prime is 65062221583. The next prime is 65062221659. The reversal of 65062221613 is 31612226056.

65062221613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36650422249 + 28411799364 = 191443^2 + 168558^2 .

It is a cyclic number.

It is not a de Polignac number, because 65062221613 - 2¹³ = 65062213421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65062221673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32531110806 + 32531110807.

It is an arithmetic number, because the mean of its divisors is an integer number (32531110807).

Almost surely, 2^65062221613 is an apocalyptic number.

It is an amenable number.

65062221613 is a deficient number, since it is larger than the sum of its proper divisors (1).

65062221613 is an equidigital number, since it uses as much as digits as its factorization.

65062221613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 65062221613 its reverse (31612226056), we get a palindrome (96674447669).

The spelling of 65062221613 in words is "sixty-five billion, sixty-two million, two hundred twenty-one thousand, six hundred thirteen".