27843528413 has 2 divisors, whose sum is σ = 27843528414. Its totient is φ = 27843528412.

The previous prime is 27843528373. The next prime is 27843528443. The reversal of 27843528413 is 31482534872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19500167449 + 8343360964 = 139643^2 + 91342^2 .

It is a cyclic number.

It is not a de Polignac number, because 27843528413 - 2⁸ = 27843528157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27843528443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13921764206 + 13921764207.

It is an arithmetic number, because the mean of its divisors is an integer number (13921764207).

Almost surely, 2^27843528413 is an apocalyptic number.

It is an amenable number.

27843528413 is a deficient number, since it is larger than the sum of its proper divisors (1).

27843528413 is an equidigital number, since it uses as much as digits as its factorization.

27843528413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 47.

The spelling of 27843528413 in words is "twenty-seven billion, eight hundred forty-three million, five hundred twenty-eight thousand, four hundred thirteen".