513665245183 has 2 divisors, whose sum is σ = 513665245184. Its totient is φ = 513665245182.

The previous prime is 513665245153. The next prime is 513665245243. The reversal of 513665245183 is 381542566315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513665245183 - 2²⁵ = 513631690751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513665245153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256832622591 + 256832622592.

It is an arithmetic number, because the mean of its divisors is an integer number (256832622592).

Almost surely, 2^513665245183 is an apocalyptic number.

513665245183 is a deficient number, since it is larger than the sum of its proper divisors (1).

513665245183 is an equidigital number, since it uses as much as digits as its factorization.

513665245183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592000, while the sum is 49.

The spelling of 513665245183 in words is "five hundred thirteen billion, six hundred sixty-five million, two hundred forty-five thousand, one hundred eighty-three".