65464285489 has 2 divisors, whose sum is σ = 65464285490. Its totient is φ = 65464285488.

The previous prime is 65464285451. The next prime is 65464285519. The reversal of 65464285489 is 98458246456.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65386581264 + 77704225 = 255708^2 + 8815^2 .

It is a cyclic number.

It is not a de Polignac number, because 65464285489 - 2³¹ = 63316801841 is a prime.

It is not a weakly prime, because it can be changed into another prime (65464288489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32732142744 + 32732142745.

It is an arithmetic number, because the mean of its divisors is an integer number (32732142745).

Almost surely, 2^65464285489 is an apocalyptic number.

It is an amenable number.

65464285489 is a deficient number, since it is larger than the sum of its proper divisors (1).

65464285489 is an equidigital number, since it uses as much as digits as its factorization.

65464285489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66355200, while the sum is 61.

The spelling of 65464285489 in words is "sixty-five billion, four hundred sixty-four million, two hundred eighty-five thousand, four hundred eighty-nine".