27249805423 has 2 divisors, whose sum is σ = 27249805424. Its totient is φ = 27249805422.

The previous prime is 27249805403. The next prime is 27249805481. The reversal of 27249805423 is 32450894272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27249805423 - 2²⁵ = 27216250991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27249805403) 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, 13624902711 + 13624902712.

It is an arithmetic number, because the mean of its divisors is an integer number (13624902712).

Almost surely, 2^27249805423 is an apocalyptic number.

27249805423 is a deficient number, since it is larger than the sum of its proper divisors (1).

27249805423 is an equidigital number, since it uses as much as digits as its factorization.

27249805423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 27249805423 in words is "twenty-seven billion, two hundred forty-nine million, eight hundred five thousand, four hundred twenty-three".