194481469 has 8 divisors (see below), whose sum is σ = 239361920. Its totient is φ = 153875376.

The previous prime is 194481461. The next prime is 194481487. The reversal of 194481469 is 964184491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194481469 - 2³ = 194481461 is a prime.

It is a super-2 number, since 2×194481469² = 75646083568795922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194481461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068489 + ... + 1068670.

It is an arithmetic number, because the mean of its divisors is an integer number (29920240).

Almost surely, 2^194481469 is an apocalyptic number.

It is an amenable number.

194481469 is a deficient number, since it is larger than the sum of its proper divisors (44880451).

194481469 is a wasteful number, since it uses less digits than its factorization.

194481469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137179.

The product of its digits is 248832, while the sum is 46.

The square root of 194481469 is about 13945.6612966184. The cubic root of 194481469 is about 579.3745427689.

The spelling of 194481469 in words is "one hundred ninety-four million, four hundred eighty-one thousand, four hundred sixty-nine".