516386008864613 has 2 divisors, whose sum is σ = 516386008864614. Its totient is φ = 516386008864612.

The previous prime is 516386008864499. The next prime is 516386008864643. The reversal of 516386008864613 is 316468800683615.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426143646703009 + 90242362161604 = 20643247^2 + 9499598^2 .

It is a cyclic number.

It is not a de Polignac number, because 516386008864613 - 2¹² = 516386008860517 is a prime.

It is a super-2 number, since 2×516386008864613² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 516386008864613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516386008864643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258193004432306 + 258193004432307.

It is an arithmetic number, because the mean of its divisors is an integer number (258193004432307).

Almost surely, 2^{516386008864613} is an apocalyptic number.

It is an amenable number.

516386008864613 is a deficient number, since it is larger than the sum of its proper divisors (1).

516386008864613 is an equidigital number, since it uses as much as digits as its factorization.

516386008864613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119439360, while the sum is 65.

The spelling of 516386008864613 in words is "five hundred sixteen trillion, three hundred eighty-six billion, eight million, eight hundred sixty-four thousand, six hundred thirteen".