65652534104609 has 2 divisors, whose sum is σ = 65652534104610. Its totient is φ = 65652534104608.

The previous prime is 65652534104557. The next prime is 65652534104657. The reversal of 65652534104609 is 90640143525656.

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., 64967984713984 + 684549390625 = 8060272^2 + 827375^2 .

It is a cyclic number.

It is not a de Polignac number, because 65652534104609 - 2¹² = 65652534100513 is a prime.

It is not a weakly prime, because it can be changed into another prime (65652534107609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32826267052304 + 32826267052305.

It is an arithmetic number, because the mean of its divisors is an integer number (32826267052305).

Almost surely, 2^{65652534104609} is an apocalyptic number.

It is an amenable number.

65652534104609 is a deficient number, since it is larger than the sum of its proper divisors (1).

65652534104609 is an equidigital number, since it uses as much as digits as its factorization.

65652534104609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328000, while the sum is 56.

The spelling of 65652534104609 in words is "sixty-five trillion, six hundred fifty-two billion, five hundred thirty-four million, one hundred four thousand, six hundred nine".