27076144993 has 2 divisors, whose sum is σ = 27076144994. Its totient is φ = 27076144992.

The previous prime is 27076144981. The next prime is 27076145053. The reversal of 27076144993 is 39944167072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26298460224 + 777684769 = 162168^2 + 27887^2 .

It is a cyclic number.

It is not a de Polignac number, because 27076144993 - 2²¹ = 27074047841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27076144993.

It is not a weakly prime, because it can be changed into another prime (27076144933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13538072496 + 13538072497.

It is an arithmetic number, because the mean of its divisors is an integer number (13538072497).

Almost surely, 2^27076144993 is an apocalyptic number.

It is an amenable number.

27076144993 is a deficient number, since it is larger than the sum of its proper divisors (1).

27076144993 is an equidigital number, since it uses as much as digits as its factorization.

27076144993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 27076144993 in words is "twenty-seven billion, seventy-six million, one hundred forty-four thousand, nine hundred ninety-three".