27122194093 has 2 divisors, whose sum is σ = 27122194094. Its totient is φ = 27122194092.

The previous prime is 27122194051. The next prime is 27122194103. The reversal of 27122194093 is 39049122172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25894602724 + 1227591369 = 160918^2 + 35037^2 .

It is a cyclic number.

It is not a de Polignac number, because 27122194093 - 2²⁹ = 26585323181 is a prime.

It is a super-2 number, since 2×27122194093² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27122194013) 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 as a sum of consecutive naturals, namely, 13561097046 + 13561097047.

It is an arithmetic number, because the mean of its divisors is an integer number (13561097047).

Almost surely, 2^27122194093 is an apocalyptic number.

It is an amenable number.

27122194093 is a deficient number, since it is larger than the sum of its proper divisors (1).

27122194093 is an equidigital number, since it uses as much as digits as its factorization.

27122194093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 27122194093 in words is "twenty-seven billion, one hundred twenty-two million, one hundred ninety-four thousand, ninety-three".