27124445939 has 4 divisors (see below), whose sum is σ = 27127152000. Its totient is φ = 27121739880.

The previous prime is 27124445927. The next prime is 27124445941. The reversal of 27124445939 is 93954442172.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27124445939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27124445639) 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, 1337939 + ... + 1358060.

It is an arithmetic number, because the mean of its divisors is an integer number (6781788000).

Almost surely, 2^27124445939 is an apocalyptic number.

27124445939 is a deficient number, since it is larger than the sum of its proper divisors (2706061).

27124445939 is a wasteful number, since it uses less digits than its factorization.

27124445939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706060.

The product of its digits is 2177280, while the sum is 50.

The spelling of 27124445939 in words is "twenty-seven billion, one hundred twenty-four million, four hundred forty-five thousand, nine hundred thirty-nine".