194173430933 has 2 divisors, whose sum is σ = 194173430934. Its totient is φ = 194173430932.

The previous prime is 194173430873. The next prime is 194173430987. The reversal of 194173430933 is 339034371491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177458302564 + 16715128369 = 421258^2 + 129287^2 .

It is a cyclic number.

It is not a de Polignac number, because 194173430933 - 2¹⁴ = 194173414549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194173400933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97086715466 + 97086715467.

It is an arithmetic number, because the mean of its divisors is an integer number (97086715467).

Almost surely, 2^194173430933 is an apocalyptic number.

It is an amenable number.

194173430933 is a deficient number, since it is larger than the sum of its proper divisors (1).

194173430933 is an equidigital number, since it uses as much as digits as its factorization.

194173430933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 47.

The spelling of 194173430933 in words is "one hundred ninety-four billion, one hundred seventy-three million, four hundred thirty thousand, nine hundred thirty-three".