27647851939249 has 8 divisors (see below), whose sum is σ = 27938104463360. Its totient is φ = 27358019161056.

The previous prime is 27647851939247. The next prime is 27647851939343. The reversal of 27647851939249 is 94293915874672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27647851939249 - 2¹ = 27647851939247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27647851939243) 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 7 ways as a sum of consecutive naturals, for example, 104804052 + ... + 105067525.

It is an arithmetic number, because the mean of its divisors is an integer number (3492263057920).

Almost surely, 2^{27647851939249} is an apocalyptic number.

It is an amenable number.

27647851939249 is a deficient number, since it is larger than the sum of its proper divisors (290252524111).

27647851939249 is a wasteful number, since it uses less digits than its factorization.

27647851939249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209872959.

The product of its digits is 1646023680, while the sum is 76.

The spelling of 27647851939249 in words is "twenty-seven trillion, six hundred forty-seven billion, eight hundred fifty-one million, nine hundred thirty-nine thousand, two hundred forty-nine".