27641310651 has 12 divisors (see below), whose sum is σ = 39929053528. Its totient is φ = 18426286944.

The previous prime is 27641310649. The next prime is 27641310689. The reversal of 27641310651 is 15601314672.

27641310651 is a `hidden beast` number, since 2 + 7 + 641 + 3 + 1 + 0 + 6 + 5 + 1 = 666.

It is not a de Polignac number, because 27641310651 - 2¹ = 27641310649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27641311651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46716 + ... + 239718.

Almost surely, 2^27641310651 is an apocalyptic number.

27641310651 is a deficient number, since it is larger than the sum of its proper divisors (12287742877).

27641310651 is a wasteful number, since it uses less digits than its factorization.

27641310651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208922 (or 208919 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 27641310651 in words is "twenty-seven billion, six hundred forty-one million, three hundred ten thousand, six hundred fifty-one".