30542506717 has 2 divisors, whose sum is σ = 30542506718. Its totient is φ = 30542506716.

The previous prime is 30542506591. The next prime is 30542506739. The reversal of 30542506717 is 71760524503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21604884196 + 8937622521 = 146986^2 + 94539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30542506717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30542506717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30542506777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15271253358 + 15271253359.

It is an arithmetic number, because the mean of its divisors is an integer number (15271253359).

Almost surely, 2^30542506717 is an apocalyptic number.

It is an amenable number.

30542506717 is a deficient number, since it is larger than the sum of its proper divisors (1).

30542506717 is an equidigital number, since it uses as much as digits as its factorization.

30542506717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 30542506717 in words is "thirty billion, five hundred forty-two million, five hundred six thousand, seven hundred seventeen".