245343314011489 has 2 divisors, whose sum is σ = 245343314011490. Its totient is φ = 245343314011488.

The previous prime is 245343314011451. The next prime is 245343314011507. The reversal of 245343314011489 is 984110413343542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156299178869089 + 89044135142400 = 12501967^2 + 9436320^2 .

It is a cyclic number.

It is not a de Polignac number, because 245343314011489 - 2⁴⁷ = 104605825656161 is a prime.

It is not a weakly prime, because it can be changed into another prime (245343314011589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671657005744 + 122671657005745.

It is an arithmetic number, because the mean of its divisors is an integer number (122671657005745).

Almost surely, 2^{245343314011489} is an apocalyptic number.

It is an amenable number.

245343314011489 is a deficient number, since it is larger than the sum of its proper divisors (1).

245343314011489 is an equidigital number, since it uses as much as digits as its factorization.

245343314011489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 245343314011489 in words is "two hundred forty-five trillion, three hundred forty-three billion, three hundred fourteen million, eleven thousand, four hundred eighty-nine".