27618760241 has 2 divisors, whose sum is σ = 27618760242. Its totient is φ = 27618760240.

The previous prime is 27618760193. The next prime is 27618760271. The reversal of 27618760241 is 14206781672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26594760241 + 1024000000 = 163079^2 + 32000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27618760241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27618760192 and 27618760201.

It is not a weakly prime, because it can be changed into another prime (27618760271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13809380120 + 13809380121.

It is an arithmetic number, because the mean of its divisors is an integer number (13809380121).

Almost surely, 2^27618760241 is an apocalyptic number.

It is an amenable number.

27618760241 is a deficient number, since it is larger than the sum of its proper divisors (1).

27618760241 is an equidigital number, since it uses as much as digits as its factorization.

27618760241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 27618760241 in words is "twenty-seven billion, six hundred eighteen million, seven hundred sixty thousand, two hundred forty-one".