30653520643 has 2 divisors, whose sum is σ = 30653520644. Its totient is φ = 30653520642.

The previous prime is 30653520631. The next prime is 30653520659. The reversal of 30653520643 is 34602535603.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30653520643 is a prime.

It is not a weakly prime, because it can be changed into another prime (30653520613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15326760321 + 15326760322.

It is an arithmetic number, because the mean of its divisors is an integer number (15326760322).

Almost surely, 2^30653520643 is an apocalyptic number.

30653520643 is a deficient number, since it is larger than the sum of its proper divisors (1).

30653520643 is an equidigital number, since it uses as much as digits as its factorization.

30653520643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 37.

The spelling of 30653520643 in words is "thirty billion, six hundred fifty-three million, five hundred twenty thousand, six hundred forty-three".