65367081313 has 2 divisors, whose sum is σ = 65367081314. Its totient is φ = 65367081312.

The previous prime is 65367081233. The next prime is 65367081331. The reversal of 65367081313 is 31318076356.

It is a happy number.

Together with next prime (65367081331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55183647744 + 10183433569 = 234912^2 + 100913^2 .

It is a cyclic number.

It is not a de Polignac number, because 65367081313 - 2³³ = 56777146721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65367081313.

It is not a weakly prime, because it can be changed into another prime (65367081113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32683540656 + 32683540657.

It is an arithmetic number, because the mean of its divisors is an integer number (32683540657).

Almost surely, 2^65367081313 is an apocalyptic number.

It is an amenable number.

65367081313 is a deficient number, since it is larger than the sum of its proper divisors (1).

65367081313 is an equidigital number, since it uses as much as digits as its factorization.

65367081313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 65367081313 in words is "sixty-five billion, three hundred sixty-seven million, eighty-one thousand, three hundred thirteen".