65889172890271 has 2 divisors, whose sum is σ = 65889172890272. Its totient is φ = 65889172890270.

The previous prime is 65889172890257. The next prime is 65889172890323. The reversal of 65889172890271 is 17209827198856.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65889172890271 - 2¹⁷ = 65889172759199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65889172890194 and 65889172890203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65889172890221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32944586445135 + 32944586445136.

It is an arithmetic number, because the mean of its divisors is an integer number (32944586445136).

Almost surely, 2^{65889172890271} is an apocalyptic number.

65889172890271 is a deficient number, since it is larger than the sum of its proper divisors (1).

65889172890271 is an equidigital number, since it uses as much as digits as its factorization.

65889172890271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243855360, while the sum is 73.

The spelling of 65889172890271 in words is "sixty-five trillion, eight hundred eighty-nine billion, one hundred seventy-two million, eight hundred ninety thousand, two hundred seventy-one".