194672343469 has 2 divisors, whose sum is σ = 194672343470. Its totient is φ = 194672343468.

The previous prime is 194672343433. The next prime is 194672343479. The reversal of 194672343469 is 964343276491.

194672343469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182119830025 + 12552513444 = 426755^2 + 112038^2 .

It is a cyclic number.

It is not a de Polignac number, because 194672343469 - 2⁹ = 194672342957 is a prime.

It is a super-2 number, since 2×194672343469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194672343479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97336171734 + 97336171735.

It is an arithmetic number, because the mean of its divisors is an integer number (97336171735).

Almost surely, 2^194672343469 is an apocalyptic number.

It is an amenable number.

194672343469 is a deficient number, since it is larger than the sum of its proper divisors (1).

194672343469 is an equidigital number, since it uses as much as digits as its factorization.

194672343469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 58.

The spelling of 194672343469 in words is "one hundred ninety-four billion, six hundred seventy-two million, three hundred forty-three thousand, four hundred sixty-nine".