513536313487 has 2 divisors, whose sum is σ = 513536313488. Its totient is φ = 513536313486.

The previous prime is 513536313403. The next prime is 513536313517. The reversal of 513536313487 is 784313635315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513536313487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513536313487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513536313887) 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, 256768156743 + 256768156744.

It is an arithmetic number, because the mean of its divisors is an integer number (256768156744).

Almost surely, 2^513536313487 is an apocalyptic number.

513536313487 is a deficient number, since it is larger than the sum of its proper divisors (1).

513536313487 is an equidigital number, since it uses as much as digits as its factorization.

513536313487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 49.

The spelling of 513536313487 in words is "five hundred thirteen billion, five hundred thirty-six million, three hundred thirteen thousand, four hundred eighty-seven".