513513468277 has 2 divisors, whose sum is σ = 513513468278. Its totient is φ = 513513468276.

The previous prime is 513513468271. The next prime is 513513468289. The reversal of 513513468277 is 772864315315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475204801201 + 38308667076 = 689351^2 + 195726^2 .

It is a cyclic number.

It is not a de Polignac number, because 513513468277 - 2¹¹ = 513513466229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513513468271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256756734138 + 256756734139.

It is an arithmetic number, because the mean of its divisors is an integer number (256756734139).

Almost surely, 2^513513468277 is an apocalyptic number.

It is an amenable number.

513513468277 is a deficient number, since it is larger than the sum of its proper divisors (1).

513513468277 is an equidigital number, since it uses as much as digits as its factorization.

513513468277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 52.

The spelling of 513513468277 in words is "five hundred thirteen billion, five hundred thirteen million, four hundred sixty-eight thousand, two hundred seventy-seven".