65589771041 has 2 divisors, whose sum is σ = 65589771042. Its totient is φ = 65589771040.

The previous prime is 65589771019. The next prime is 65589771043. The reversal of 65589771041 is 14017798556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65589771025 + 16 = 256105^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 65589771041 - 2²² = 65585576737 is a prime.

It is a Sophie Germain prime.

Together with 65589771043, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (65589771043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32794885520 + 32794885521.

It is an arithmetic number, because the mean of its divisors is an integer number (32794885521).

Almost surely, 2^65589771041 is an apocalyptic number.

It is an amenable number.

65589771041 is a deficient number, since it is larger than the sum of its proper divisors (1).

65589771041 is an equidigital number, since it uses as much as digits as its factorization.

65589771041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 65589771041 in words is "sixty-five billion, five hundred eighty-nine million, seven hundred seventy-one thousand, forty-one".