27695736659 has 2 divisors, whose sum is σ = 27695736660. Its totient is φ = 27695736658.

The previous prime is 27695736617. The next prime is 27695736667. The reversal of 27695736659 is 95663759672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27695736659 - 2³² = 23400769363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27695736595 and 27695736604.

It is not a weakly prime, because it can be changed into another prime (27695735659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13847868329 + 13847868330.

It is an arithmetic number, because the mean of its divisors is an integer number (13847868330).

Almost surely, 2^27695736659 is an apocalyptic number.

27695736659 is a deficient number, since it is larger than the sum of its proper divisors (1).

27695736659 is an equidigital number, since it uses as much as digits as its factorization.

27695736659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128595600, while the sum is 65.

The spelling of 27695736659 in words is "twenty-seven billion, six hundred ninety-five million, seven hundred thirty-six thousand, six hundred fifty-nine".