6536980613 has 2 divisors, whose sum is σ = 6536980614. Its totient is φ = 6536980612.

The previous prime is 6536980601. The next prime is 6536980631. The reversal of 6536980613 is 3160896356.

Together with next prime (6536980631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3713439844 + 2823540769 = 60938^2 + 53137^2 .

It is a cyclic number.

It is not a de Polignac number, because 6536980613 - 2¹⁸ = 6536718469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6536980693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268490306 + 3268490307.

It is an arithmetic number, because the mean of its divisors is an integer number (3268490307).

Almost surely, 2^6536980613 is an apocalyptic number.

It is an amenable number.

6536980613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6536980613 is an equidigital number, since it uses as much as digits as its factorization.

6536980613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 6536980613 is about 80851.5962303775. The cubic root of 6536980613 is about 1869.7881324591.

The spelling of 6536980613 in words is "six billion, five hundred thirty-six million, nine hundred eighty thousand, six hundred thirteen".