65061523634389 has 2 divisors, whose sum is σ = 65061523634390. Its totient is φ = 65061523634388.

The previous prime is 65061523634383. The next prime is 65061523634483. The reversal of 65061523634389 is 98343632516056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59713483502500 + 5348040131889 = 7727450^2 + 2312583^2 .

It is a cyclic number.

It is not a de Polignac number, because 65061523634389 - 2¹¹ = 65061523632341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65061523634383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32530761817194 + 32530761817195.

It is an arithmetic number, because the mean of its divisors is an integer number (32530761817195).

Almost surely, 2^{65061523634389} is an apocalyptic number.

It is an amenable number.

65061523634389 is a deficient number, since it is larger than the sum of its proper divisors (1).

65061523634389 is an equidigital number, since it uses as much as digits as its factorization.

65061523634389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 83980800, while the sum is 61.

The spelling of 65061523634389 in words is "sixty-five trillion, sixty-one billion, five hundred twenty-three million, six hundred thirty-four thousand, three hundred eighty-nine".