194999993453347 has 2 divisors, whose sum is σ = 194999993453348. Its totient is φ = 194999993453346.

The previous prime is 194999993453339. The next prime is 194999993453393. The reversal of 194999993453347 is 743354399999491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194999993453347 - 2³ = 194999993453339 is a prime.

It is not a weakly prime, because it can be changed into another prime (194999993453647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97499996726673 + 97499996726674.

It is an arithmetic number, because the mean of its divisors is an integer number (97499996726674).

Almost surely, 2^{194999993453347} is an apocalyptic number.

194999993453347 is a deficient number, since it is larger than the sum of its proper divisors (1).

194999993453347 is an equidigital number, since it uses as much as digits as its factorization.

194999993453347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32141551680, while the sum is 88.

The spelling of 194999993453347 in words is "one hundred ninety-four trillion, nine hundred ninety-nine billion, nine hundred ninety-three million, four hundred fifty-three thousand, three hundred forty-seven".