30159685097 has 2 divisors, whose sum is σ = 30159685098. Its totient is φ = 30159685096.

The previous prime is 30159685081. The next prime is 30159685151. The reversal of 30159685097 is 79058695103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21600474841 + 8559210256 = 146971^2 + 92516^2 .

It is an emirp because it is prime and its reverse (79058695103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30159685097 - 2⁴ = 30159685081 is a prime.

It is not a weakly prime, because it can be changed into another prime (30159685027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15079842548 + 15079842549.

It is an arithmetic number, because the mean of its divisors is an integer number (15079842549).

Almost surely, 2^30159685097 is an apocalyptic number.

It is an amenable number.

30159685097 is a deficient number, since it is larger than the sum of its proper divisors (1).

30159685097 is an equidigital number, since it uses as much as digits as its factorization.

30159685097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 30159685097 in words is "thirty billion, one hundred fifty-nine million, six hundred eighty-five thousand, ninety-seven".