27874022212549 has 2 divisors, whose sum is σ = 27874022212550. Its totient is φ = 27874022212548.

The previous prime is 27874022212523. The next prime is 27874022212591. The reversal of 27874022212549 is 94521222047872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22798094320225 + 5075927892324 = 4774735^2 + 2252982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27874022212549 is a prime.

It is a super-2 number, since 2×27874022212549² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27874022212549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27874022213549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13937011106274 + 13937011106275.

It is an arithmetic number, because the mean of its divisors is an integer number (13937011106275).

Almost surely, 2^{27874022212549} is an apocalyptic number.

It is an amenable number.

27874022212549 is a deficient number, since it is larger than the sum of its proper divisors (1).

27874022212549 is an equidigital number, since it uses as much as digits as its factorization.

27874022212549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 27874022212549 in words is "twenty-seven trillion, eight hundred seventy-four billion, twenty-two million, two hundred twelve thousand, five hundred forty-nine".