30854924689 has 2 divisors, whose sum is σ = 30854924690. Its totient is φ = 30854924688.

The previous prime is 30854924677. The next prime is 30854924717. The reversal of 30854924689 is 98642945803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29038886464 + 1816038225 = 170408^2 + 42615^2 .

It is an emirp because it is prime and its reverse (98642945803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30854924689 is a prime.

It is not a weakly prime, because it can be changed into another prime (30854924609) 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, 15427462344 + 15427462345.

It is an arithmetic number, because the mean of its divisors is an integer number (15427462345).

Almost surely, 2^30854924689 is an apocalyptic number.

It is an amenable number.

30854924689 is a deficient number, since it is larger than the sum of its proper divisors (1).

30854924689 is an equidigital number, since it uses as much as digits as its factorization.

30854924689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 30854924689 in words is "thirty billion, eight hundred fifty-four million, nine hundred twenty-four thousand, six hundred eighty-nine".