65959344395956 has 12 divisors (see below), whose sum is σ = 125922384756000. Its totient is φ = 29981520179960.

The previous prime is 65959344395951. The next prime is 65959344395957.

65959344395956 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×65959344395956² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65959344395956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65959344395951) 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 3 ways as a sum of consecutive naturals, for example, 749538004456 + ... + 749538004543.

It is an arithmetic number, because the mean of its divisors is an integer number (10493532063000).

Almost surely, 2^{65959344395956} is an apocalyptic number.

It is an amenable number.

65959344395956 is a deficient number, since it is larger than the sum of its proper divisors (59963040360044).

65959344395956 is a wasteful number, since it uses less digits than its factorization.

65959344395956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499076009014 (or 1499076009012 counting only the distinct ones).

The product of its digits is 21257640000, while the sum is 82.

The spelling of 65959344395956 in words is "sixty-five trillion, nine hundred fifty-nine billion, three hundred forty-four million, three hundred ninety-five thousand, nine hundred fifty-six".