30654421243 has 2 divisors, whose sum is σ = 30654421244. Its totient is φ = 30654421242.

The previous prime is 30654421151. The next prime is 30654421249. The reversal of 30654421243 is 34212445603.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30654421243 - 2²¹ = 30652324091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30654421199 and 30654421208.

It is not a weakly prime, because it can be changed into another prime (30654421249) 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, 15327210621 + 15327210622.

It is an arithmetic number, because the mean of its divisors is an integer number (15327210622).

Almost surely, 2^30654421243 is an apocalyptic number.

30654421243 is a deficient number, since it is larger than the sum of its proper divisors (1).

30654421243 is an equidigital number, since it uses as much as digits as its factorization.

30654421243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 30654421243 its reverse (34212445603), we get a palindrome (64866866846).

The spelling of 30654421243 in words is "thirty billion, six hundred fifty-four million, four hundred twenty-one thousand, two hundred forty-three".