27349360873 has 2 divisors, whose sum is σ = 27349360874. Its totient is φ = 27349360872.

The previous prime is 27349360813. The next prime is 27349360889. The reversal of 27349360873 is 37806394372.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27273531609 + 75829264 = 165147^2 + 8708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27349360873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27349360873.

It is not a weakly prime, because it can be changed into another prime (27349360813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13674680436 + 13674680437.

It is an arithmetic number, because the mean of its divisors is an integer number (13674680437).

Almost surely, 2^27349360873 is an apocalyptic number.

It is an amenable number.

27349360873 is a deficient number, since it is larger than the sum of its proper divisors (1).

27349360873 is an equidigital number, since it uses as much as digits as its factorization.

27349360873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 27349360873 in words is "twenty-seven billion, three hundred forty-nine million, three hundred sixty thousand, eight hundred seventy-three".