6535879697 has 2 divisors, whose sum is σ = 6535879698. Its totient is φ = 6535879696.

The previous prime is 6535879667. The next prime is 6535879717. The reversal of 6535879697 is 7969785356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3735776641 + 2800103056 = 61121^2 + 52916^2 .

It is a cyclic number.

It is not a de Polignac number, because 6535879697 - 2¹⁸ = 6535617553 is a prime.

It is not a weakly prime, because it can be changed into another prime (6535879607) 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, 3267939848 + 3267939849.

It is an arithmetic number, because the mean of its divisors is an integer number (3267939849).

Almost surely, 2^6535879697 is an apocalyptic number.

It is an amenable number.

6535879697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6535879697 is an equidigital number, since it uses as much as digits as its factorization.

6535879697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85730400, while the sum is 65.

The square root of 6535879697 is about 80844.7876922192. The cubic root of 6535879697 is about 1869.6831606909.

The spelling of 6535879697 in words is "six billion, five hundred thirty-five million, eight hundred seventy-nine thousand, six hundred ninety-seven".