65550502007671 has 2 divisors, whose sum is σ = 65550502007672. Its totient is φ = 65550502007670.

The previous prime is 65550502007633. The next prime is 65550502007677. The reversal of 65550502007671 is 17670020505556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65550502007671 - 2²³ = 65550493619063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65550502007677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32775251003835 + 32775251003836.

It is an arithmetic number, because the mean of its divisors is an integer number (32775251003836).

Almost surely, 2^{65550502007671} is an apocalyptic number.

65550502007671 is a deficient number, since it is larger than the sum of its proper divisors (1).

65550502007671 is an equidigital number, since it uses as much as digits as its factorization.

65550502007671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205000, while the sum is 49.

The spelling of 65550502007671 in words is "sixty-five trillion, five hundred fifty billion, five hundred two million, seven thousand, six hundred seventy-one".