27429163 has 2 divisors, whose sum is σ = 27429164. Its totient is φ = 27429162.

The previous prime is 27429161. The next prime is 27429167. The reversal of 27429163 is 36192472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27429163 - 2¹ = 27429161 is a prime.

Together with 27429161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27429161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13714581 + 13714582.

It is an arithmetic number, because the mean of its divisors is an integer number (13714582).

Almost surely, 2^27429163 is an apocalyptic number.

27429163 is a deficient number, since it is larger than the sum of its proper divisors (1).

27429163 is an equidigital number, since it uses as much as digits as its factorization.

27429163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 27429163 is about 5237.2858428770. The cubic root of 27429163 is about 301.5811445585.

The spelling of 27429163 in words is "twenty-seven million, four hundred twenty-nine thousand, one hundred sixty-three".