65393677639356 has 48 divisors (see below), whose sum is σ = 168172681797120. Its totient is φ = 19611974545920.

The previous prime is 65393677639333. The next prime is 65393677639357.

It is a happy number.

65393677639356 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65393677639357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553629716 + ... + 2553655323.

It is an arithmetic number, because the mean of its divisors is an integer number (3503597537440).

Almost surely, 2^{65393677639356} is an apocalyptic number.

65393677639356 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65393677639356 is an abundant number, since it is smaller than the sum of its proper divisors (102779004157764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65393677639356 is a wasteful number, since it uses less digits than its factorization.

65393677639356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107285154 (or 5107285152 counting only the distinct ones).

The product of its digits is 10416243600, while the sum is 78.

The spelling of 65393677639356 in words is "sixty-five trillion, three hundred ninety-three billion, six hundred seventy-seven million, six hundred thirty-nine thousand, three hundred fifty-six".