65189695303681 has 32 divisors (see below), whose sum is σ = 72728045470080. Its totient is φ = 58047098909184.

The previous prime is 65189695303673. The next prime is 65189695303693. The reversal of 65189695303681 is 18630359698156.

It is a cyclic number.

It is not a de Polignac number, because 65189695303681 - 2³ = 65189695303673 is a prime.

It is a super-2 number, since 2×65189695303681² (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 65189695303681.

It is not an unprimeable number, because it can be changed into a prime (65189695304681) 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 in 31 ways as a sum of consecutive naturals, for example, 132310335 + ... + 132802123.

It is an arithmetic number, because the mean of its divisors is an integer number (2272751420940).

Almost surely, 2^{65189695303681} is an apocalyptic number.

It is an amenable number.

65189695303681 is a deficient number, since it is larger than the sum of its proper divisors (7538350166399).

65189695303681 is a wasteful number, since it uses less digits than its factorization.

65189695303681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494785.

The product of its (nonzero) digits is 251942400, while the sum is 70.

The spelling of 65189695303681 in words is "sixty-five trillion, one hundred eighty-nine billion, six hundred ninety-five million, three hundred three thousand, six hundred eighty-one".