27010534457 has 2 divisors, whose sum is σ = 27010534458. Its totient is φ = 27010534456.

The previous prime is 27010534451. The next prime is 27010534459. The reversal of 27010534457 is 75443501072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26766268816 + 244265641 = 163604^2 + 15629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27010534457 is a prime.

Together with 27010534459, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27010534457.

It is not a weakly prime, because it can be changed into another prime (27010534451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13505267228 + 13505267229.

It is an arithmetic number, because the mean of its divisors is an integer number (13505267229).

Almost surely, 2^27010534457 is an apocalyptic number.

It is an amenable number.

27010534457 is a deficient number, since it is larger than the sum of its proper divisors (1).

27010534457 is an equidigital number, since it uses as much as digits as its factorization.

27010534457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 27010534457 in words is "twenty-seven billion, ten million, five hundred thirty-four thousand, four hundred fifty-seven".