27225073361 has 2 divisors, whose sum is σ = 27225073362. Its totient is φ = 27225073360.

The previous prime is 27225073321. The next prime is 27225073397. The reversal of 27225073361 is 16337052272.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22552530625 + 4672542736 = 150175^2 + 68356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27225073361 is a prime.

It is not a weakly prime, because it can be changed into another prime (27225073321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13612536680 + 13612536681.

It is an arithmetic number, because the mean of its divisors is an integer number (13612536681).

Almost surely, 2^27225073361 is an apocalyptic number.

It is an amenable number.

27225073361 is a deficient number, since it is larger than the sum of its proper divisors (1).

27225073361 is an equidigital number, since it uses as much as digits as its factorization.

27225073361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 27225073361 in words is "twenty-seven billion, two hundred twenty-five million, seventy-three thousand, three hundred sixty-one".