65385935629391 has 16 divisors (see below), whose sum is σ = 72386909427168. Its totient is φ = 58669649136000.

The previous prime is 65385935629379. The next prime is 65385935629403. The reversal of 65385935629391 is 19392653958356.

It is an interprime number because it is at equal distance from previous prime (65385935629379) and next prime (65385935629403).

It is a cyclic number.

It is not a de Polignac number, because 65385935629391 - 2⁶ = 65385935629327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65385935629361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63550685 + ... + 64571366.

It is an arithmetic number, because the mean of its divisors is an integer number (4524181839198).

Almost surely, 2^{65385935629391} is an apocalyptic number.

65385935629391 is a deficient number, since it is larger than the sum of its proper divisors (7000973797777).

65385935629391 is a wasteful number, since it uses less digits than its factorization.

65385935629391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128123162.

The product of its digits is 1417176000, while the sum is 74.

The spelling of 65385935629391 in words is "sixty-five trillion, three hundred eighty-five billion, nine hundred thirty-five million, six hundred twenty-nine thousand, three hundred ninety-one".