30420104647 has 2 divisors, whose sum is σ = 30420104648. Its totient is φ = 30420104646.

The previous prime is 30420104629. The next prime is 30420104651. The reversal of 30420104647 is 74640102403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30420104647 - 2¹¹ = 30420102599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30420104047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210052323 + 15210052324.

It is an arithmetic number, because the mean of its divisors is an integer number (15210052324).

Almost surely, 2^30420104647 is an apocalyptic number.

30420104647 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420104647 is an equidigital number, since it uses as much as digits as its factorization.

30420104647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 30420104647 in words is "thirty billion, four hundred twenty million, one hundred four thousand, six hundred forty-seven".