30217914641 has 2 divisors, whose sum is σ = 30217914642. Its totient is φ = 30217914640.

The previous prime is 30217914569. The next prime is 30217914737. The reversal of 30217914641 is 14641971203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21336737041 + 8881177600 = 146071^2 + 94240^2 .

It is an emirp because it is prime and its reverse (14641971203) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30217914641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30217914595 and 30217914604.

It is not a weakly prime, because it can be changed into another prime (30217914941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15108957320 + 15108957321.

It is an arithmetic number, because the mean of its divisors is an integer number (15108957321).

Almost surely, 2^30217914641 is an apocalyptic number.

It is an amenable number.

30217914641 is a deficient number, since it is larger than the sum of its proper divisors (1).

30217914641 is an equidigital number, since it uses as much as digits as its factorization.

30217914641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 30217914641 in words is "thirty billion, two hundred seventeen million, nine hundred fourteen thousand, six hundred forty-one".