27743150849 has 2 divisors, whose sum is σ = 27743150850. Its totient is φ = 27743150848.

The previous prime is 27743150839. The next prime is 27743150863. The reversal of 27743150849 is 94805134772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24724417600 + 3018733249 = 157240^2 + 54943^2 .

It is a cyclic number.

It is not a de Polignac number, because 27743150849 - 2³² = 23448183553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27743150797 and 27743150806.

It is not a weakly prime, because it can be changed into another prime (27743150839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13871575424 + 13871575425.

It is an arithmetic number, because the mean of its divisors is an integer number (13871575425).

Almost surely, 2^27743150849 is an apocalyptic number.

It is an amenable number.

27743150849 is a deficient number, since it is larger than the sum of its proper divisors (1).

27743150849 is an equidigital number, since it uses as much as digits as its factorization.

27743150849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 27743150849 in words is "twenty-seven billion, seven hundred forty-three million, one hundred fifty thousand, eight hundred forty-nine".