194675449 has 4 divisors (see below), whose sum is σ = 206126964. Its totient is φ = 183223936.

The previous prime is 194675441. The next prime is 194675471. The reversal of 194675449 is 944576491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 177742224 + 16933225 = 13332^2 + 4115^2 .

It is a cyclic number.

It is not a de Polignac number, because 194675449 - 2³ = 194675441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194675441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5725732 + ... + 5725765.

It is an arithmetic number, because the mean of its divisors is an integer number (51531741).

Almost surely, 2^194675449 is an apocalyptic number.

It is an amenable number.

194675449 is a deficient number, since it is larger than the sum of its proper divisors (11451515).

194675449 is a wasteful number, since it uses less digits than its factorization.

194675449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11451514.

The product of its digits is 1088640, while the sum is 49.

The square root of 194675449 is about 13952.6144145103. The cubic root of 194675449 is about 579.5671056376.

The spelling of 194675449 in words is "one hundred ninety-four million, six hundred seventy-five thousand, four hundred forty-nine".