27650838361 has 2 divisors, whose sum is σ = 27650838362. Its totient is φ = 27650838360.

The previous prime is 27650838289. The next prime is 27650838401. The reversal of 27650838361 is 16383805672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26685182736 + 965655625 = 163356^2 + 31075^2 .

It is a cyclic number.

It is not a de Polignac number, because 27650838361 - 2⁷ = 27650838233 is a prime.

It is a super-2 number, since 2×27650838361² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27650838161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13825419180 + 13825419181.

It is an arithmetic number, because the mean of its divisors is an integer number (13825419181).

Almost surely, 2^27650838361 is an apocalyptic number.

It is an amenable number.

27650838361 is a deficient number, since it is larger than the sum of its proper divisors (1).

27650838361 is an equidigital number, since it uses as much as digits as its factorization.

27650838361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 27650838361 in words is "twenty-seven billion, six hundred fifty million, eight hundred thirty-eight thousand, three hundred sixty-one".