27252139093 has 2 divisors, whose sum is σ = 27252139094. Its totient is φ = 27252139092.

The previous prime is 27252139087. The next prime is 27252139151. The reversal of 27252139093 is 39093125272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17428752324 + 9823386769 = 132018^2 + 99113^2 .

It is a cyclic number.

It is not a de Polignac number, because 27252139093 - 2⁹ = 27252138581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27252139393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13626069546 + 13626069547.

It is an arithmetic number, because the mean of its divisors is an integer number (13626069547).

Almost surely, 2^27252139093 is an apocalyptic number.

It is an amenable number.

27252139093 is a deficient number, since it is larger than the sum of its proper divisors (1).

27252139093 is an equidigital number, since it uses as much as digits as its factorization.

27252139093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 27252139093 in words is "twenty-seven billion, two hundred fifty-two million, one hundred thirty-nine thousand, ninety-three".