27603850139 has 4 divisors (see below), whose sum is σ = 27612906600. Its totient is φ = 27594793680.

The previous prime is 27603850097. The next prime is 27603850189. The reversal of 27603850139 is 93105830672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27603850139 - 2³² = 23308882843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27603850139.

It is not an unprimeable number, because it can be changed into a prime (27603850189) 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 in 3 ways as a sum of consecutive naturals, for example, 4523657 + ... + 4529754.

It is an arithmetic number, because the mean of its divisors is an integer number (6903226650).

Almost surely, 2^27603850139 is an apocalyptic number.

27603850139 is a deficient number, since it is larger than the sum of its proper divisors (9056461).

27603850139 is an equidigital number, since it uses as much as digits as its factorization.

27603850139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056460.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 27603850139 in words is "twenty-seven billion, six hundred three million, eight hundred fifty thousand, one hundred thirty-nine".