27448947833 has 2 divisors, whose sum is σ = 27448947834. Its totient is φ = 27448947832.

The previous prime is 27448947787. The next prime is 27448947857. The reversal of 27448947833 is 33874984472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27405809209 + 43138624 = 165547^2 + 6568^2 .

It is a cyclic number.

It is not a de Polignac number, because 27448947833 - 2²⁴ = 27432170617 is a prime.

It is not a weakly prime, because it can be changed into another prime (27448947893) 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, 13724473916 + 13724473917.

It is an arithmetic number, because the mean of its divisors is an integer number (13724473917).

Almost surely, 2^27448947833 is an apocalyptic number.

It is an amenable number.

27448947833 is a deficient number, since it is larger than the sum of its proper divisors (1).

27448947833 is an equidigital number, since it uses as much as digits as its factorization.

27448947833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32514048, while the sum is 59.

The spelling of 27448947833 in words is "twenty-seven billion, four hundred forty-eight million, nine hundred forty-seven thousand, eight hundred thirty-three".