30655015305689 has 2 divisors, whose sum is σ = 30655015305690. Its totient is φ = 30655015305688.

The previous prime is 30655015305631. The next prime is 30655015305703. The reversal of 30655015305689 is 98650351055603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30513250254400 + 141765051289 = 5523880^2 + 376517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30655015305689 is a prime.

It is not a weakly prime, because it can be changed into another prime (30655015305389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15327507652844 + 15327507652845.

It is an arithmetic number, because the mean of its divisors is an integer number (15327507652845).

Almost surely, 2^{30655015305689} is an apocalyptic number.

It is an amenable number.

30655015305689 is a deficient number, since it is larger than the sum of its proper divisors (1).

30655015305689 is an equidigital number, since it uses as much as digits as its factorization.

30655015305689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580000, while the sum is 56.

The spelling of 30655015305689 in words is "thirty trillion, six hundred fifty-five billion, fifteen million, three hundred five thousand, six hundred eighty-nine".