27568132651 has 2 divisors, whose sum is σ = 27568132652. Its totient is φ = 27568132650.

The previous prime is 27568132601. The next prime is 27568132663. The reversal of 27568132651 is 15623186572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27568132651 - 2⁹ = 27568132139 is a prime.

It is not a weakly prime, because it can be changed into another prime (27568132601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13784066325 + 13784066326.

It is an arithmetic number, because the mean of its divisors is an integer number (13784066326).

Almost surely, 2^27568132651 is an apocalyptic number.

27568132651 is a deficient number, since it is larger than the sum of its proper divisors (1).

27568132651 is an equidigital number, since it uses as much as digits as its factorization.

27568132651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The spelling of 27568132651 in words is "twenty-seven billion, five hundred sixty-eight million, one hundred thirty-two thousand, six hundred fifty-one".