27330851008381 has 2 divisors, whose sum is σ = 27330851008382. Its totient is φ = 27330851008380.

The previous prime is 27330851008339. The next prime is 27330851008481. The reversal of 27330851008381 is 18380015803372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22079003368900 + 5251847639481 = 4698830^2 + 2291691^2 .

It is a cyclic number.

It is not a de Polignac number, because 27330851008381 - 2⁹ = 27330851007869 is a prime.

It is a super-2 number, since 2×27330851008381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27330851008481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13665425504190 + 13665425504191.

It is an arithmetic number, because the mean of its divisors is an integer number (13665425504191).

Almost surely, 2^{27330851008381} is an apocalyptic number.

It is an amenable number.

27330851008381 is a deficient number, since it is larger than the sum of its proper divisors (1).

27330851008381 is an equidigital number, since it uses as much as digits as its factorization.

27330851008381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 27330851008381 in words is "twenty-seven trillion, three hundred thirty billion, eight hundred fifty-one million, eight thousand, three hundred eighty-one".