27438608053 has 2 divisors, whose sum is σ = 27438608054. Its totient is φ = 27438608052.

The previous prime is 27438607979. The next prime is 27438608069. The reversal of 27438608053 is 35080683472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27262302769 + 176305284 = 165113^2 + 13278^2 .

It is a cyclic number.

It is not a de Polignac number, because 27438608053 - 2³³ = 18848673461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27438607994 and 27438608012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27438638053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13719304026 + 13719304027.

It is an arithmetic number, because the mean of its divisors is an integer number (13719304027).

Almost surely, 2^27438608053 is an apocalyptic number.

It is an amenable number.

27438608053 is a deficient number, since it is larger than the sum of its proper divisors (1).

27438608053 is an equidigital number, since it uses as much as digits as its factorization.

27438608053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 27438608053 in words is "twenty-seven billion, four hundred thirty-eight million, six hundred eight thousand, fifty-three".