30253398017 has 2 divisors, whose sum is σ = 30253398018. Its totient is φ = 30253398016.

The previous prime is 30253398001. The next prime is 30253398023. The reversal of 30253398017 is 71089335203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28129662961 + 2123735056 = 167719^2 + 46084^2 .

It is a cyclic number.

It is not a de Polignac number, because 30253398017 - 2⁴ = 30253398001 is a prime.

It is not a weakly prime, because it can be changed into another prime (30253368017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126699008 + 15126699009.

It is an arithmetic number, because the mean of its divisors is an integer number (15126699009).

Almost surely, 2^30253398017 is an apocalyptic number.

It is an amenable number.

30253398017 is a deficient number, since it is larger than the sum of its proper divisors (1).

30253398017 is an equidigital number, since it uses as much as digits as its factorization.

30253398017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 30253398017 in words is "thirty billion, two hundred fifty-three million, three hundred ninety-eight thousand, seventeen".