30309697447 has 2 divisors, whose sum is σ = 30309697448. Its totient is φ = 30309697446.

The previous prime is 30309697441. The next prime is 30309697463. The reversal of 30309697447 is 74479690303.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30309697447 - 2¹⁹ = 30309173159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30309697394 and 30309697403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30309697441) 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, 15154848723 + 15154848724.

It is an arithmetic number, because the mean of its divisors is an integer number (15154848724).

Almost surely, 2^30309697447 is an apocalyptic number.

30309697447 is a deficient number, since it is larger than the sum of its proper divisors (1).

30309697447 is an equidigital number, since it uses as much as digits as its factorization.

30309697447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 30309697447 in words is "thirty billion, three hundred nine million, six hundred ninety-seven thousand, four hundred forty-seven".