27606286313 has 4 divisors (see below), whose sum is σ = 27677254020. Its totient is φ = 27535318608.

The previous prime is 27606286237. The next prime is 27606286327. The reversal of 27606286313 is 31368260672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19014479449 + 8591806864 = 137893^2 + 92692^2 .

It is a cyclic number.

It is not a de Polignac number, because 27606286313 - 2¹⁶ = 27606220777 is a prime.

It is a super-2 number, since 2×27606286313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27606246313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35483270 + ... + 35484047.

It is an arithmetic number, because the mean of its divisors is an integer number (6919313505).

Almost surely, 2^27606286313 is an apocalyptic number.

It is an amenable number.

27606286313 is a deficient number, since it is larger than the sum of its proper divisors (70967707).

27606286313 is an equidigital number, since it uses as much as digits as its factorization.

27606286313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70967706.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 27606286313 in words is "twenty-seven billion, six hundred six million, two hundred eighty-six thousand, three hundred thirteen".