65056101656489 has 2 divisors, whose sum is σ = 65056101656490. Its totient is φ = 65056101656488.

The previous prime is 65056101656477. The next prime is 65056101656561. The reversal of 65056101656489 is 98465610165056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64527161094400 + 528940562089 = 8032880^2 + 727283^2 .

It is a cyclic number.

It is not a de Polignac number, because 65056101656489 - 2¹² = 65056101652393 is a prime.

It is not a weakly prime, because it can be changed into another prime (65056101656089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32528050828244 + 32528050828245.

It is an arithmetic number, because the mean of its divisors is an integer number (32528050828245).

Almost surely, 2^{65056101656489} is an apocalyptic number.

It is an amenable number.

65056101656489 is a deficient number, since it is larger than the sum of its proper divisors (1).

65056101656489 is an equidigital number, since it uses as much as digits as its factorization.

65056101656489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656000, while the sum is 62.

The spelling of 65056101656489 in words is "sixty-five trillion, fifty-six billion, one hundred one million, six hundred fifty-six thousand, four hundred eighty-nine".