194530025113 has 2 divisors, whose sum is σ = 194530025114. Its totient is φ = 194530025112.

The previous prime is 194530025089. The next prime is 194530025161. The reversal of 194530025113 is 311520035491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105289217289 + 89240807824 = 324483^2 + 298732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194530025113 is a prime.

It is not a weakly prime, because it can be changed into another prime (194530025413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97265012556 + 97265012557.

It is an arithmetic number, because the mean of its divisors is an integer number (97265012557).

Almost surely, 2^194530025113 is an apocalyptic number.

It is an amenable number.

194530025113 is a deficient number, since it is larger than the sum of its proper divisors (1).

194530025113 is an equidigital number, since it uses as much as digits as its factorization.

194530025113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 194530025113 in words is "one hundred ninety-four billion, five hundred thirty million, twenty-five thousand, one hundred thirteen".