27934064563 has 2 divisors, whose sum is σ = 27934064564. Its totient is φ = 27934064562.

The previous prime is 27934064519. The next prime is 27934064621. The reversal of 27934064563 is 36546043972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27934064563 - 2²⁹ = 27397193651 is a prime.

It is not a weakly prime, because it can be changed into another prime (27934068563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13967032281 + 13967032282.

It is an arithmetic number, because the mean of its divisors is an integer number (13967032282).

Almost surely, 2^27934064563 is an apocalyptic number.

27934064563 is a deficient number, since it is larger than the sum of its proper divisors (1).

27934064563 is an equidigital number, since it uses as much as digits as its factorization.

27934064563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 27934064563 in words is "twenty-seven billion, nine hundred thirty-four million, sixty-four thousand, five hundred sixty-three".