513235076329 has 2 divisors, whose sum is σ = 513235076330. Its totient is φ = 513235076328.

The previous prime is 513235076311. The next prime is 513235076359. The reversal of 513235076329 is 923670532315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488842883929 + 24392192400 = 699173^2 + 156180^2 .

It is a cyclic number.

It is not a de Polignac number, because 513235076329 - 2⁵ = 513235076297 is a prime.

It is a super-2 number, since 2×513235076329² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (513235076359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256617538164 + 256617538165.

It is an arithmetic number, because the mean of its divisors is an integer number (256617538165).

Almost surely, 2^513235076329 is an apocalyptic number.

It is an amenable number.

513235076329 is a deficient number, since it is larger than the sum of its proper divisors (1).

513235076329 is an equidigital number, since it uses as much as digits as its factorization.

513235076329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 46.

The spelling of 513235076329 in words is "five hundred thirteen billion, two hundred thirty-five million, seventy-six thousand, three hundred twenty-nine".