194748443 has 2 divisors, whose sum is σ = 194748444. Its totient is φ = 194748442.

The previous prime is 194748397. The next prime is 194748493. The reversal of 194748443 is 344847491.

194748443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (344847491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194748443 - 2⁸ = 194748187 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 194748394 and 194748403.

It is not a weakly prime, because it can be changed into another prime (194748493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97374221 + 97374222.

It is an arithmetic number, because the mean of its divisors is an integer number (97374222).

Almost surely, 2^194748443 is an apocalyptic number.

194748443 is a deficient number, since it is larger than the sum of its proper divisors (1).

194748443 is an equidigital number, since it uses as much as digits as its factorization.

194748443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 194748443 is about 13955.2299515271. The cubic root of 194748443 is about 579.6395332518.

The spelling of 194748443 in words is "one hundred ninety-four million, seven hundred forty-eight thousand, four hundred forty-three".