30727027393 has 2 divisors, whose sum is σ = 30727027394. Its totient is φ = 30727027392.

The previous prime is 30727027381. The next prime is 30727027403. The reversal of 30727027393 is 39372072703.

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., 29178447489 + 1548579904 = 170817^2 + 39352^2 .

It is a cyclic number.

It is not a de Polignac number, because 30727027393 - 2¹³ = 30727019201 is a prime.

It is not a weakly prime, because it can be changed into another prime (30727027993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15363513696 + 15363513697.

It is an arithmetic number, because the mean of its divisors is an integer number (15363513697).

Almost surely, 2^30727027393 is an apocalyptic number.

It is an amenable number.

30727027393 is a deficient number, since it is larger than the sum of its proper divisors (1).

30727027393 is an equidigital number, since it uses as much as digits as its factorization.

30727027393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 43.

The spelling of 30727027393 in words is "thirty billion, seven hundred twenty-seven million, twenty-seven thousand, three hundred ninety-three".