65342827789 has 2 divisors, whose sum is σ = 65342827790. Its totient is φ = 65342827788.

The previous prime is 65342827783. The next prime is 65342827843. The reversal of 65342827789 is 98772824356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57292252164 + 8050575625 = 239358^2 + 89725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65342827789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65342827783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32671413894 + 32671413895.

It is an arithmetic number, because the mean of its divisors is an integer number (32671413895).

Almost surely, 2^65342827789 is an apocalyptic number.

It is an amenable number.

65342827789 is a deficient number, since it is larger than the sum of its proper divisors (1).

65342827789 is an equidigital number, since it uses as much as digits as its factorization.

65342827789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40642560, while the sum is 61.

The spelling of 65342827789 in words is "sixty-five billion, three hundred forty-two million, eight hundred twenty-seven thousand, seven hundred eighty-nine".