27568132645 has 8 divisors (see below), whose sum is σ = 33089640480. Its totient is φ = 22049251920.

The previous prime is 27568132601. The next prime is 27568132651. The reversal of 27568132645 is 54623186572.

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

It is not a de Polignac number, because 27568132645 - 2⁹ = 27568132133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633615 + ... + 675724.

It is an arithmetic number, because the mean of its divisors is an integer number (4136205060).

Almost surely, 2^27568132645 is an apocalyptic number.

It is an amenable number.

27568132645 is a deficient number, since it is larger than the sum of its proper divisors (5521507835).

27568132645 is a wasteful number, since it uses less digits than its factorization.

27568132645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313555.

The product of its digits is 2419200, while the sum is 49.

The spelling of 27568132645 in words is "twenty-seven billion, five hundred sixty-eight million, one hundred thirty-two thousand, six hundred forty-five".