27641365564 has 6 divisors (see below), whose sum is σ = 48372389744. Its totient is φ = 13820682780.

The previous prime is 27641365561. The next prime is 27641365627. The reversal of 27641365564 is 46556314672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27641365561) 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 as a sum of consecutive naturals, namely, 3455170692 + ... + 3455170699.

Almost surely, 2^27641365564 is an apocalyptic number.

It is an amenable number.

27641365564 is a deficient number, since it is larger than the sum of its proper divisors (20731024180).

27641365564 is a wasteful number, since it uses less digits than its factorization.

27641365564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910341395 (or 6910341393 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 49.

The spelling of 27641365564 in words is "twenty-seven billion, six hundred forty-one million, three hundred sixty-five thousand, five hundred sixty-four".