30643464317 has 2 divisors, whose sum is σ = 30643464318. Its totient is φ = 30643464316.

The previous prime is 30643464301. The next prime is 30643464323. The reversal of 30643464317 is 71346434603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24439381561 + 6204082756 = 156331^2 + 78766^2 .

It is a cyclic number.

It is not a de Polignac number, because 30643464317 - 2⁴ = 30643464301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30643464617) 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, 15321732158 + 15321732159.

It is an arithmetic number, because the mean of its divisors is an integer number (15321732159).

Almost surely, 2^30643464317 is an apocalyptic number.

It is an amenable number.

30643464317 is a deficient number, since it is larger than the sum of its proper divisors (1).

30643464317 is an equidigital number, since it uses as much as digits as its factorization.

30643464317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 30643464317 in words is "thirty billion, six hundred forty-three million, four hundred sixty-four thousand, three hundred seventeen".