27066436417 has 2 divisors, whose sum is σ = 27066436418. Its totient is φ = 27066436416.

The previous prime is 27066436393. The next prime is 27066436447. The reversal of 27066436417 is 71463466072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19478110096 + 7588326321 = 139564^2 + 87111^2 .

It is a cyclic number.

It is not a de Polignac number, because 27066436417 - 2³¹ = 24918952769 is a prime.

It is not a weakly prime, because it can be changed into another prime (27066436447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533218208 + 13533218209.

It is an arithmetic number, because the mean of its divisors is an integer number (13533218209).

Almost surely, 2^27066436417 is an apocalyptic number.

It is an amenable number.

27066436417 is a deficient number, since it is larger than the sum of its proper divisors (1).

27066436417 is an equidigital number, since it uses as much as digits as its factorization.

27066436417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 27066436417 in words is "twenty-seven billion, sixty-six million, four hundred thirty-six thousand, four hundred seventeen".