65702075849 has 2 divisors, whose sum is σ = 65702075850. Its totient is φ = 65702075848.

The previous prime is 65702075833. The next prime is 65702075891. The reversal of 65702075849 is 94857020756.

65702075849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54400897600 + 11301178249 = 233240^2 + 106307^2 .

It is a cyclic number.

It is not a de Polignac number, because 65702075849 - 2⁴ = 65702075833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65702075849.

It is not a weakly prime, because it can be changed into another prime (65702074849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32851037924 + 32851037925.

It is an arithmetic number, because the mean of its divisors is an integer number (32851037925).

Almost surely, 2^65702075849 is an apocalyptic number.

It is an amenable number.

65702075849 is a deficient number, since it is larger than the sum of its proper divisors (1).

65702075849 is an equidigital number, since it uses as much as digits as its factorization.

65702075849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 65702075849 in words is "sixty-five billion, seven hundred two million, seventy-five thousand, eight hundred forty-nine".