65025694169 has 2 divisors, whose sum is σ = 65025694170. Its totient is φ = 65025694168.

The previous prime is 65025694163. The next prime is 65025694171. The reversal of 65025694169 is 96149652056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54283408144 + 10742286025 = 232988^2 + 103645^2 .

It is a cyclic number.

It is not a de Polignac number, because 65025694169 - 2⁸ = 65025693913 is a prime.

It is a super-2 number, since 2×65025694169² (a number of 22 digits) contains 22 as substring.

Together with 65025694171, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65025694169.

It is not a weakly prime, because it can be changed into another prime (65025694163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32512847084 + 32512847085.

It is an arithmetic number, because the mean of its divisors is an integer number (32512847085).

Almost surely, 2^65025694169 is an apocalyptic number.

It is an amenable number.

65025694169 is a deficient number, since it is larger than the sum of its proper divisors (1).

65025694169 is an equidigital number, since it uses as much as digits as its factorization.

65025694169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 53.

The spelling of 65025694169 in words is "sixty-five billion, twenty-five million, six hundred ninety-four thousand, one hundred sixty-nine".