6198516613 has 2 divisors, whose sum is σ = 6198516614. Its totient is φ = 6198516612.

The previous prime is 6198516593. The next prime is 6198516631. The reversal of 6198516613 is 3166158916.

Together with next prime (6198516631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6062491044 + 136025569 = 77862^2 + 11663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6198516613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6198516683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099258306 + 3099258307.

It is an arithmetic number, because the mean of its divisors is an integer number (3099258307).

Almost surely, 2^6198516613 is an apocalyptic number.

It is an amenable number.

6198516613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6198516613 is an equidigital number, since it uses as much as digits as its factorization.

6198516613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 6198516613 is about 78730.6586597623. The cubic root of 6198516613 is about 1836.9440267023.

The spelling of 6198516613 in words is "six billion, one hundred ninety-eight million, five hundred sixteen thousand, six hundred thirteen".