27690659003309 has 2 divisors, whose sum is σ = 27690659003310. Its totient is φ = 27690659003308.

The previous prime is 27690659003263. The next prime is 27690659003339. The reversal of 27690659003309 is 90330095609672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20087696524900 + 7602962478409 = 4481930^2 + 2757347^2 .

It is a cyclic number.

It is not a de Polignac number, because 27690659003309 - 2⁸ = 27690659003053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27690659003339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13845329501654 + 13845329501655.

It is an arithmetic number, because the mean of its divisors is an integer number (13845329501655).

Almost surely, 2^{27690659003309} is an apocalyptic number.

It is an amenable number.

27690659003309 is a deficient number, since it is larger than the sum of its proper divisors (1).

27690659003309 is an equidigital number, since it uses as much as digits as its factorization.

27690659003309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16533720, while the sum is 59.

The spelling of 27690659003309 in words is "twenty-seven trillion, six hundred ninety billion, six hundred fifty-nine million, three thousand, three hundred nine".