194346484469 has 2 divisors, whose sum is σ = 194346484470. Its totient is φ = 194346484468.

The previous prime is 194346484463. The next prime is 194346484481. The reversal of 194346484469 is 964484643491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124283041444 + 70063443025 = 352538^2 + 264695^2 .

It is an emirp because it is prime and its reverse (964484643491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194346484469 - 2³⁶ = 125627007733 is a prime.

It is a super-2 number, since 2×194346484469² (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 (194346484463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97173242234 + 97173242235.

It is an arithmetic number, because the mean of its divisors is an integer number (97173242235).

Almost surely, 2^194346484469 is an apocalyptic number.

It is an amenable number.

194346484469 is a deficient number, since it is larger than the sum of its proper divisors (1).

194346484469 is an equidigital number, since it uses as much as digits as its factorization.

194346484469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71663616, while the sum is 62.

The spelling of 194346484469 in words is "one hundred ninety-four billion, three hundred forty-six million, four hundred eighty-four thousand, four hundred sixty-nine".