194630047 has 2 divisors, whose sum is σ = 194630048. Its totient is φ = 194630046.

The previous prime is 194630021. The next prime is 194630063. The reversal of 194630047 is 740036491.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194630047 - 2¹¹ = 194627999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194629994 and 194630021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194630087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97315023 + 97315024.

It is an arithmetic number, because the mean of its divisors is an integer number (97315024).

Almost surely, 2^194630047 is an apocalyptic number.

194630047 is a deficient number, since it is larger than the sum of its proper divisors (1).

194630047 is an equidigital number, since it uses as much as digits as its factorization.

194630047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 194630047 is about 13950.9873127317. The cubic root of 194630047 is about 579.5220467944.

The spelling of 194630047 in words is "one hundred ninety-four million, six hundred thirty thousand, forty-seven".