27253866835273 has 16 divisors (see below), whose sum is σ = 31120639497360. Its totient is φ = 23644171708416.

The previous prime is 27253866835271. The next prime is 27253866835291. The reversal of 27253866835273 is 37253866835272.

It can be written as a sum of positive squares in 8 ways, for example, as 3945518786889 + 23308348048384 = 1986333^2 + 4827872^2 .

It is a cyclic number.

It is not a de Polignac number, because 27253866835273 - 2¹ = 27253866835271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27253866835199 and 27253866835208.

It is not an unprimeable number, because it can be changed into a prime (27253866835271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86811340 + ... + 87124717.

It is an arithmetic number, because the mean of its divisors is an integer number (1945039968585).

Almost surely, 2^{27253866835273} is an apocalyptic number.

It is an amenable number.

27253866835273 is a deficient number, since it is larger than the sum of its proper divisors (3866772662087).

27253866835273 is a wasteful number, since it uses less digits than its factorization.

27253866835273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173936796.

The product of its digits is 609638400, while the sum is 67.

Subtracting 27253866835273 from its reverse (37253866835272), we obtain a palindrome (9999999999999).

It can be divided in two parts, 2725386 and 6835273, that added together give a palindrome (9560659).

The spelling of 27253866835273 in words is "twenty-seven trillion, two hundred fifty-three billion, eight hundred sixty-six million, eight hundred thirty-five thousand, two hundred seventy-three".