30194135393 has 2 divisors, whose sum is σ = 30194135394. Its totient is φ = 30194135392.

The previous prime is 30194135347. The next prime is 30194135441. The reversal of 30194135393 is 39353149103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15844012129 + 14350123264 = 125873^2 + 119792^2 .

It is an emirp because it is prime and its reverse (39353149103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30194135393 - 2⁸ = 30194135137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30194135393.

It is not a weakly prime, because it can be changed into another prime (30194135093) 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, 15097067696 + 15097067697.

It is an arithmetic number, because the mean of its divisors is an integer number (15097067697).

Almost surely, 2^30194135393 is an apocalyptic number.

It is an amenable number.

30194135393 is a deficient number, since it is larger than the sum of its proper divisors (1).

30194135393 is an equidigital number, since it uses as much as digits as its factorization.

30194135393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131220, while the sum is 41.

The spelling of 30194135393 in words is "thirty billion, one hundred ninety-four million, one hundred thirty-five thousand, three hundred ninety-three".