27310999993 has 2 divisors, whose sum is σ = 27310999994. Its totient is φ = 27310999992.

The previous prime is 27310999981. The next prime is 27311000071. The reversal of 27310999993 is 39999901372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19843793424 + 7467206569 = 140868^2 + 86413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27310999993 is a prime.

It is not a weakly prime, because it can be changed into another prime (27310999193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13655499996 + 13655499997.

It is an arithmetic number, because the mean of its divisors is an integer number (13655499997).

Almost surely, 2^27310999993 is an apocalyptic number.

It is an amenable number.

27310999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

27310999993 is an equidigital number, since it uses as much as digits as its factorization.

27310999993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7440174, while the sum is 61.

The spelling of 27310999993 in words is "twenty-seven billion, three hundred ten million, nine hundred ninety-nine thousand, nine hundred ninety-three".