27148038549 has 32 divisors (see below), whose sum is σ = 38040192000. Its totient is φ = 17201057280.

The previous prime is 27148038539. The next prime is 27148038557. The reversal of 27148038549 is 94583084172.

It is a happy number.

It is not a de Polignac number, because 27148038549 - 2¹¹ = 27148036501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27148038539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1222267 + ... + 1244279.

It is an arithmetic number, because the mean of its divisors is an integer number (1188756000).

Almost surely, 2^27148038549 is an apocalyptic number.

It is an amenable number.

27148038549 is a deficient number, since it is larger than the sum of its proper divisors (10892153451).

27148038549 is a wasteful number, since it uses less digits than its factorization.

27148038549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22285.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 27148038549 in words is "twenty-seven billion, one hundred forty-eight million, thirty-eight thousand, five hundred forty-nine".