27030689291 has 2 divisors, whose sum is σ = 27030689292. Its totient is φ = 27030689290.

The previous prime is 27030689183. The next prime is 27030689317. The reversal of 27030689291 is 19298603072.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27030689291 - 2³⁴ = 9850820107 is a prime.

It is a super-3 number, since 3×27030689291³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (27030683291) 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, 13515344645 + 13515344646.

It is an arithmetic number, because the mean of its divisors is an integer number (13515344646).

Almost surely, 2^27030689291 is an apocalyptic number.

27030689291 is a deficient number, since it is larger than the sum of its proper divisors (1).

27030689291 is an equidigital number, since it uses as much as digits as its factorization.

27030689291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 27030689291 in words is "twenty-seven billion, thirty million, six hundred eighty-nine thousand, two hundred ninety-one".