65383771393 has 2 divisors, whose sum is σ = 65383771394. Its totient is φ = 65383771392.

The previous prime is 65383771367. The next prime is 65383771463. The reversal of 65383771393 is 39317738356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48069685504 + 17314085889 = 219248^2 + 131583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65383771393 is a prime.

It is not a weakly prime, because it can be changed into another prime (65383771333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32691885696 + 32691885697.

It is an arithmetic number, because the mean of its divisors is an integer number (32691885697).

Almost surely, 2^65383771393 is an apocalyptic number.

It is an amenable number.

65383771393 is a deficient number, since it is larger than the sum of its proper divisors (1).

65383771393 is an equidigital number, since it uses as much as digits as its factorization.

65383771393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 55.

The spelling of 65383771393 in words is "sixty-five billion, three hundred eighty-three million, seven hundred seventy-one thousand, three hundred ninety-three".