513424541893 has 2 divisors, whose sum is σ = 513424541894. Its totient is φ = 513424541892.

The previous prime is 513424541849. The next prime is 513424542011. The reversal of 513424541893 is 398145424315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 268218338404 + 245206203489 = 517898^2 + 495183^2 .

It is a cyclic number.

It is not a de Polignac number, because 513424541893 - 2³⁷ = 375985588421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513424541803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256712270946 + 256712270947.

It is an arithmetic number, because the mean of its divisors is an integer number (256712270947).

Almost surely, 2^513424541893 is an apocalyptic number.

It is an amenable number.

513424541893 is a deficient number, since it is larger than the sum of its proper divisors (1).

513424541893 is an equidigital number, since it uses as much as digits as its factorization.

513424541893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 49.

The spelling of 513424541893 in words is "five hundred thirteen billion, four hundred twenty-four million, five hundred forty-one thousand, eight hundred ninety-three".