27500783243 has 2 divisors, whose sum is σ = 27500783244. Its totient is φ = 27500783242.

The previous prime is 27500783239. The next prime is 27500783263. The reversal of 27500783243 is 34238700572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27500783243 - 2² = 27500783239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27500783243.

It is not a weakly prime, because it can be changed into another prime (27500783203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750391621 + 13750391622.

It is an arithmetic number, because the mean of its divisors is an integer number (13750391622).

Almost surely, 2^27500783243 is an apocalyptic number.

27500783243 is a deficient number, since it is larger than the sum of its proper divisors (1).

27500783243 is an equidigital number, since it uses as much as digits as its factorization.

27500783243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 27500783243 in words is "twenty-seven billion, five hundred million, seven hundred eighty-three thousand, two hundred forty-three".