264846285089 has 2 divisors, whose sum is σ = 264846285090. Its totient is φ = 264846285088.

The previous prime is 264846285083. The next prime is 264846285091. The reversal of 264846285089 is 980582648462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264718482064 + 127803025 = 514508^2 + 11305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264846285089 is a prime.

It is a Sophie Germain prime.

Together with 264846285091, 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 (264846285083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132423142544 + 132423142545.

It is an arithmetic number, because the mean of its divisors is an integer number (132423142545).

Almost surely, 2^264846285089 is an apocalyptic number.

It is an amenable number.

264846285089 is a deficient number, since it is larger than the sum of its proper divisors (1).

264846285089 is an equidigital number, since it uses as much as digits as its factorization.

264846285089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53084160, while the sum is 62.

The spelling of 264846285089 in words is "two hundred sixty-four billion, eight hundred forty-six million, two hundred eighty-five thousand, eighty-nine".