30541651697 has 2 divisors, whose sum is σ = 30541651698. Its totient is φ = 30541651696.

The previous prime is 30541651627. The next prime is 30541651703. The reversal of 30541651697 is 79615614503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30479573056 + 62078641 = 174584^2 + 7879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30541651697 is a prime.

It is not a weakly prime, because it can be changed into another prime (30541651627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15270825848 + 15270825849.

It is an arithmetic number, because the mean of its divisors is an integer number (15270825849).

Almost surely, 2^30541651697 is an apocalyptic number.

It is an amenable number.

30541651697 is a deficient number, since it is larger than the sum of its proper divisors (1).

30541651697 is an equidigital number, since it uses as much as digits as its factorization.

30541651697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 30541651697 in words is "thirty billion, five hundred forty-one million, six hundred fifty-one thousand, six hundred ninety-seven".