27894751349 has 8 divisors (see below), whose sum is σ = 28585253760. Its totient is φ = 27204732000.

The previous prime is 27894751319. The next prime is 27894751361. The reversal of 27894751349 is 94315749872.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27894751349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27894751319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429 + ... + 236210.

It is an arithmetic number, because the mean of its divisors is an integer number (3573156720).

Almost surely, 2^27894751349 is an apocalyptic number.

It is an amenable number.

27894751349 is a deficient number, since it is larger than the sum of its proper divisors (690502411).

27894751349 is a wasteful number, since it uses less digits than its factorization.

27894751349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241531.

The product of its digits is 15240960, while the sum is 59.

The spelling of 27894751349 in words is "twenty-seven billion, eight hundred ninety-four million, seven hundred fifty-one thousand, three hundred forty-nine".