27103818773 has 2 divisors, whose sum is σ = 27103818774. Its totient is φ = 27103818772.

The previous prime is 27103818761. The next prime is 27103818799. The reversal of 27103818773 is 37781830172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16947613489 + 10156205284 = 130183^2 + 100778^2 .

It is a cyclic number.

It is not a de Polignac number, because 27103818773 - 2⁸ = 27103818517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27103817773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13551909386 + 13551909387.

It is an arithmetic number, because the mean of its divisors is an integer number (13551909387).

Almost surely, 2^27103818773 is an apocalyptic number.

It is an amenable number.

27103818773 is a deficient number, since it is larger than the sum of its proper divisors (1).

27103818773 is an equidigital number, since it uses as much as digits as its factorization.

27103818773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 27103818773 in words is "twenty-seven billion, one hundred three million, eight hundred eighteen thousand, seven hundred seventy-three".