27450319671 has 12 divisors (see below), whose sum is σ = 39652525120. Its totient is φ = 18299260800.

The previous prime is 27450319651. The next prime is 27450319681. The reversal of 27450319671 is 17691305472.

27450319671 is a `hidden beast` number, since 2 + 7 + 450 + 3 + 196 + 7 + 1 = 666.

It is not a de Polignac number, because 27450319671 - 2⁶ = 27450319607 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 (27450319651) 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 11 ways as a sum of consecutive naturals, for example, 133146 + ... + 269496.

Almost surely, 2^27450319671 is an apocalyptic number.

27450319671 is a deficient number, since it is larger than the sum of its proper divisors (12202205449).

27450319671 is a wasteful number, since it uses less digits than its factorization.

27450319671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158726 (or 158723 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 27450319671 in words is "twenty-seven billion, four hundred fifty million, three hundred nineteen thousand, six hundred seventy-one".