30643253363 has 2 divisors, whose sum is σ = 30643253364. Its totient is φ = 30643253362.

The previous prime is 30643253359. The next prime is 30643253489. The reversal of 30643253363 is 36335234603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30643253363 - 2² = 30643253359 is a prime.

It is not a weakly prime, because it can be changed into another prime (30643253353) 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, 15321626681 + 15321626682.

It is an arithmetic number, because the mean of its divisors is an integer number (15321626682).

Almost surely, 2^30643253363 is an apocalyptic number.

30643253363 is a deficient number, since it is larger than the sum of its proper divisors (1).

30643253363 is an equidigital number, since it uses as much as digits as its factorization.

30643253363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 38.

Adding to 30643253363 its reverse (36335234603), we get a palindrome (66978487966).

The spelling of 30643253363 in words is "thirty billion, six hundred forty-three million, two hundred fifty-three thousand, three hundred sixty-three".