65238522659 has 2 divisors, whose sum is σ = 65238522660. Its totient is φ = 65238522658.

The previous prime is 65238522649. The next prime is 65238522691. The reversal of 65238522659 is 95622583256.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65238522659 - 2⁸ = 65238522403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65238522659.

It is not a weakly prime, because it can be changed into another prime (65238522619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32619261329 + 32619261330.

It is an arithmetic number, because the mean of its divisors is an integer number (32619261330).

Almost surely, 2^65238522659 is an apocalyptic number.

65238522659 is a deficient number, since it is larger than the sum of its proper divisors (1).

65238522659 is an equidigital number, since it uses as much as digits as its factorization.

65238522659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776000, while the sum is 53.

The spelling of 65238522659 in words is "sixty-five billion, two hundred thirty-eight million, five hundred twenty-two thousand, six hundred fifty-nine".