513240211489 has 2 divisors, whose sum is σ = 513240211490. Its totient is φ = 513240211488.

The previous prime is 513240211487. The next prime is 513240211513. The reversal of 513240211489 is 984112042315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401058757264 + 112181454225 = 633292^2 + 334935^2 .

It is a cyclic number.

It is not a de Polignac number, because 513240211489 - 2¹ = 513240211487 is a prime.

Together with 513240211487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (513240211487) 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, 256620105744 + 256620105745.

It is an arithmetic number, because the mean of its divisors is an integer number (256620105745).

Almost surely, 2^513240211489 is an apocalyptic number.

It is an amenable number.

513240211489 is a deficient number, since it is larger than the sum of its proper divisors (1).

513240211489 is an equidigital number, since it uses as much as digits as its factorization.

513240211489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 513240211489 in words is "five hundred thirteen billion, two hundred forty million, two hundred eleven thousand, four hundred eighty-nine".