27124710849 has 24 divisors (see below), whose sum is σ = 39370050720. Its totient is φ = 17995678848.

The previous prime is 27124710779. The next prime is 27124710871. The reversal of 27124710849 is 94801742172.

It is not a de Polignac number, because 27124710849 - 2¹⁹ = 27124186561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27124710889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1813369 + ... + 1828265.

It is an arithmetic number, because the mean of its divisors is an integer number (1640418780).

Almost surely, 2^27124710849 is an apocalyptic number.

It is an amenable number.

27124710849 is a deficient number, since it is larger than the sum of its proper divisors (12245339871).

27124710849 is a wasteful number, since it uses less digits than its factorization.

27124710849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15869 (or 15866 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 27124710849 in words is "twenty-seven billion, one hundred twenty-four million, seven hundred ten thousand, eight hundred forty-nine".