27193152473 has 2 divisors, whose sum is σ = 27193152474. Its totient is φ = 27193152472.

The previous prime is 27193152463. The next prime is 27193152509. The reversal of 27193152473 is 37425139172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26951132224 + 242020249 = 164168^2 + 15557^2 .

It is a cyclic number.

It is not a de Polignac number, because 27193152473 - 2¹⁰ = 27193151449 is a prime.

It is not a weakly prime, because it can be changed into another prime (27193152403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13596576236 + 13596576237.

It is an arithmetic number, because the mean of its divisors is an integer number (13596576237).

Almost surely, 2^27193152473 is an apocalyptic number.

It is an amenable number.

27193152473 is a deficient number, since it is larger than the sum of its proper divisors (1).

27193152473 is an equidigital number, since it uses as much as digits as its factorization.

27193152473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The spelling of 27193152473 in words is "twenty-seven billion, one hundred ninety-three million, one hundred fifty-two thousand, four hundred seventy-three".