27444666046361 has 2 divisors, whose sum is σ = 27444666046362. Its totient is φ = 27444666046360.

The previous prime is 27444666046283. The next prime is 27444666046393. The reversal of 27444666046361 is 16364066644472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24380328270736 + 3064337775625 = 4937644^2 + 1750525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27444666046361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27444666046361.

It is not a weakly prime, because it can be changed into another prime (27444666046961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13722333023180 + 13722333023181.

It is an arithmetic number, because the mean of its divisors is an integer number (13722333023181).

Almost surely, 2^{27444666046361} is an apocalyptic number.

It is an amenable number.

27444666046361 is a deficient number, since it is larger than the sum of its proper divisors (1).

27444666046361 is an equidigital number, since it uses as much as digits as its factorization.

27444666046361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83607552, while the sum is 59.

The spelling of 27444666046361 in words is "twenty-seven trillion, four hundred forty-four billion, six hundred sixty-six million, forty-six thousand, three hundred sixty-one".