27673544645 has 8 divisors (see below), whose sum is σ = 33250454304. Its totient is φ = 22110701904.

The previous prime is 27673544621. The next prime is 27673544651. The reversal of 27673544645 is 54644537672.

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 27673544645 - 2¹² = 27673540549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3512399 + ... + 3520268.

It is an arithmetic number, because the mean of its divisors is an integer number (4156306788).

Almost surely, 2^27673544645 is an apocalyptic number.

It is an amenable number.

27673544645 is a deficient number, since it is larger than the sum of its proper divisors (5576909659).

27673544645 is an equidigital number, since it uses as much as digits as its factorization.

27673544645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033459.

The product of its digits is 16934400, while the sum is 53.

The spelling of 27673544645 in words is "twenty-seven billion, six hundred seventy-three million, five hundred forty-four thousand, six hundred forty-five".