513343523149 has 2 divisors, whose sum is σ = 513343523150. Its totient is φ = 513343523148.

The previous prime is 513343523057. The next prime is 513343523201. The reversal of 513343523149 is 941325343315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 497896761924 + 15446761225 = 705618^2 + 124285^2 .

It is a cyclic number.

It is not a de Polignac number, because 513343523149 - 2²¹ = 513341425997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513343523449) 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, 256671761574 + 256671761575.

It is an arithmetic number, because the mean of its divisors is an integer number (256671761575).

Almost surely, 2^513343523149 is an apocalyptic number.

It is an amenable number.

513343523149 is a deficient number, since it is larger than the sum of its proper divisors (1).

513343523149 is an equidigital number, since it uses as much as digits as its factorization.

513343523149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 43.

The spelling of 513343523149 in words is "five hundred thirteen billion, three hundred forty-three million, five hundred twenty-three thousand, one hundred forty-nine".