65759790234791 has 16 divisors (see below), whose sum is σ = 69626022508800. Its totient is φ = 62018734402560.

The previous prime is 65759790234769. The next prime is 65759790234823. The reversal of 65759790234791 is 19743209795756.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65759790234791 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 (65759790234991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134064650 + ... + 134554263.

It is an arithmetic number, because the mean of its divisors is an integer number (4351626406800).

Almost surely, 2^{65759790234791} is an apocalyptic number.

65759790234791 is a deficient number, since it is larger than the sum of its proper divisors (3866232274009).

65759790234791 is a wasteful number, since it uses less digits than its factorization.

65759790234791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268619146.

The product of its (nonzero) digits is 900169200, while the sum is 74.

The spelling of 65759790234791 in words is "sixty-five trillion, seven hundred fifty-nine billion, seven hundred ninety million, two hundred thirty-four thousand, seven hundred ninety-one".