516441830393 has 2 divisors, whose sum is σ = 516441830394. Its totient is φ = 516441830392.

The previous prime is 516441830371. The next prime is 516441830431. The reversal of 516441830393 is 393038144615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453639966784 + 62801863609 = 673528^2 + 250603^2 .

It is a cyclic number.

It is not a de Polignac number, because 516441830393 - 2¹⁰ = 516441829369 is a prime.

It is not a weakly prime, because it can be changed into another prime (516441830353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258220915196 + 258220915197.

It is an arithmetic number, because the mean of its divisors is an integer number (258220915197).

Almost surely, 2^516441830393 is an apocalyptic number.

It is an amenable number.

516441830393 is a deficient number, since it is larger than the sum of its proper divisors (1).

516441830393 is an equidigital number, since it uses as much as digits as its factorization.

516441830393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 516441830393 in words is "five hundred sixteen billion, four hundred forty-one million, eight hundred thirty thousand, three hundred ninety-three".